1422040144 has 40 divisors (see below), whose sum is σ = 3151058240. Its totient is φ = 609009408.

The previous prime is 1422040133. The next prime is 1422040171. The reversal of 1422040144 is 4410402241.

It is a super-2 number, since 2×1422040144² = 4044396342295081472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189292 + ... + 196660.

It is an arithmetic number, because the mean of its divisors is an integer number (78776456).

Almost surely, 2^1422040144 is an apocalyptic number.

1422040144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1422040144 is an abundant number, since it is smaller than the sum of its proper divisors (1729018096).

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

1422040144 is a wasteful number, since it uses less digits than its factorization.

1422040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107 (or 9101 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1422040144 is about 37709.9475470333. The cubic root of 1422040144 is about 1124.5288941708.

Adding to 1422040144 its reverse (4410402241), we get a palindrome (5832442385).

The spelling of 1422040144 in words is "one billion, four hundred twenty-two million, forty thousand, one hundred forty-four".