22522240402 has 16 divisors (see below), whose sum is σ = 34400187360. Its totient is φ = 11057176512.

The previous prime is 22522240331. The next prime is 22522240421. The reversal of 22522240402 is 20404222522.

It is a super-2 number, since 2×22522240402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389127 + ... + 443242.

It is an arithmetic number, because the mean of its divisors is an integer number (2150011710).

Almost surely, 2^22522240402 is an apocalyptic number.

22522240402 is a deficient number, since it is larger than the sum of its proper divisors (11877946958).

22522240402 is a wasteful number, since it uses less digits than its factorization.

22522240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832617.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22522240402 its reverse (20404222522), we get a palindrome (42926462924).

The spelling of 22522240402 in words is "twenty-two billion, five hundred twenty-two million, two hundred forty thousand, four hundred two".