1422635500 has 192 divisors, whose sum is σ = 3705077376. Its totient is φ = 470400000.

The previous prime is 1422635479. The next prime is 1422635509. The reversal of 1422635500 is 55362241.

It is not an unprimeable number, because it can be changed into a prime (1422635509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7221402 + ... + 7221598.

It is an arithmetic number, because the mean of its divisors is an integer number (19297278).

Almost surely, 2^1422635500 is an apocalyptic number.

1422635500 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 1422635500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852538688).

1422635500 is an abundant number, since it is smaller than the sum of its proper divisors (2282441876).

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

1422635500 is a wasteful number, since it uses less digits than its factorization.

1422635500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1422635500 is about 37717.8406062701. The cubic root of 1422635500 is about 1124.6858052627.

Adding to 1422635500 its reverse (55362241), we get a palindrome (1477997741).

The spelling of 1422635500 in words is "one billion, four hundred twenty-two million, six hundred thirty-five thousand, five hundred".