22516402046 has 32 divisors (see below), whose sum is σ = 37331461440. Its totient is φ = 10131111936.

The previous prime is 22516402043. The next prime is 22516402057. The reversal of 22516402046 is 64020461522.

It is a super-2 number, since 2×22516402046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22516402043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2699210 + ... + 2707538.

It is an arithmetic number, because the mean of its divisors is an integer number (1166608170).

Almost surely, 2^22516402046 is an apocalyptic number.

22516402046 is a deficient number, since it is larger than the sum of its proper divisors (14815059394).

22516402046 is a wasteful number, since it uses less digits than its factorization.

22516402046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 22516402046 its reverse (64020461522), we get a palindrome (86536863568).

The spelling of 22516402046 in words is "twenty-two billion, five hundred sixteen million, four hundred two thousand, forty-six".