22681002 has 16 divisors (see below), whose sum is σ = 45410400. Its totient is φ = 7552272.

The previous prime is 22680991. The next prime is 22681019. The reversal of 22681002 is 20018622.

It is a self number, because there is not a number n which added to its sum of digits gives 22681002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7624 + ... + 10172.

It is an arithmetic number, because the mean of its divisors is an integer number (2838150).

Almost surely, 2^22681002 is an apocalyptic number.

22681002 is an abundant number, since it is smaller than the sum of its proper divisors (22729398).

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

22681002 is a wasteful number, since it uses less digits than its factorization.

22681002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22681002 is about 4762.4575588660. The cubic root of 22681002 is about 283.0658073020.

Adding to 22681002 its reverse (20018622), we get a palindrome (42699624).

The spelling of 22681002 in words is "twenty-two million, six hundred eighty-one thousand, two".