22115002 has 32 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 8736624.

The previous prime is 22114999. The next prime is 22115033. The reversal of 22115002 is 20051122.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30399 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^22115002 is an apocalyptic number.

22115002 is a deficient number, since it is larger than the sum of its proper divisors (19011398).

22115002 is an equidigital number, since it uses as much as digits as its factorization.

22115002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22115002 is about 4702.6590350567. The cubic root of 22115002 is about 280.6913274038.

Adding to 22115002 its reverse (20051122), we get a palindrome (42166124).

The spelling of 22115002 in words is "twenty-two million, one hundred fifteen thousand, two".