1422529920 has 192 divisors, whose sum is σ = 5614071840. Its totient is φ = 325140480.

The previous prime is 1422529919. The next prime is 1422529937. The reversal of 1422529920 is 299252241.

1422529920 is a `hidden beast` number, since 1 + 42 + 2 + 529 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22680 + ... + 57960.

Almost surely, 2^1422529920 is an apocalyptic number.

1422529920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422529920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807035920).

1422529920 is an abundant number, since it is smaller than the sum of its proper divisors (4191541920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422529920 is a wasteful number, since it uses less digits than its factorization.

1422529920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35313 (or 35298 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1422529920 is about 37716.4409773775. The cubic root of 1422529920 is about 1124.6579819575.

The spelling of 1422529920 in words is "one billion, four hundred twenty-two million, five hundred twenty-nine thousand, nine hundred twenty".