22452150402 has 120 divisors (see below), whose sum is σ = 55645989168. Its totient is φ = 6760979280.

The previous prime is 22452150397. The next prime is 22452150433. The reversal of 22452150402 is 20405125422.

22452150402 is a `hidden beast` number, since 2 + 2 + 45 + 215 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 59 ways as a sum of consecutive naturals, for example, 3191613 + ... + 3198639.

Almost surely, 2^22452150402 is an apocalyptic number.

22452150402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22452150402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27822994584).

22452150402 is an abundant number, since it is smaller than the sum of its proper divisors (33193838766).

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

22452150402 is a wasteful number, since it uses less digits than its factorization.

22452150402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7206 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22452150402 its reverse (20405125422), we get a palindrome (42857275824).

The spelling of 22452150402 in words is "twenty-two billion, four hundred fifty-two million, one hundred fifty thousand, four hundred two".