22155001662 has 16 divisors (see below), whose sum is σ = 44318275200. Its totient is φ = 7383621912.

The previous prime is 22155001657. The next prime is 22155001679. The reversal of 22155001662 is 26610055122.

It is a congruent number.

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, 309568 + ... + 374355.

It is an arithmetic number, because the mean of its divisors is an integer number (2769892200).

Almost surely, 2^22155001662 is an apocalyptic number.

22155001662 is an abundant number, since it is smaller than the sum of its proper divisors (22163273538).

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

22155001662 is a wasteful number, since it uses less digits than its factorization.

22155001662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689327.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 22155001662 its reverse (26610055122), we get a palindrome (48765056784).

The spelling of 22155001662 in words is "twenty-two billion, one hundred fifty-five million, one thousand, six hundred sixty-two".