22202132215424 has 128 divisors (see below), whose sum is σ = 54213961737600. Its totient is φ = 8844316176384.

The previous prime is 22202132215397. The next prime is 22202132215447. The reversal of 22202132215424 is 42451223120222.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×22202132215424² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11401187 + ... + 13205730.

It is an arithmetic number, because the mean of its divisors is an integer number (423546576075).

Almost surely, 2^{22202132215424} is an apocalyptic number.

It is an amenable number.

22202132215424 is an abundant number, since it is smaller than the sum of its proper divisors (32011829522176).

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

22202132215424 is a wasteful number, since it uses less digits than its factorization.

22202132215424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24607010 (or 24606998 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 22202132215424 its reverse (42451223120222), we get a palindrome (64653355335646).

The spelling of 22202132215424 in words is "twenty-two trillion, two hundred two billion, one hundred thirty-two million, two hundred fifteen thousand, four hundred twenty-four".