22801012 has 24 divisors (see below), whose sum is σ = 45500616. Its totient is φ = 9904128.

The previous prime is 22801003. The next prime is 22801021. The reversal of 22801012 is 21010822.

It is an interprime number because it is at equal distance from previous prime (22801003) and next prime (22801021).

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 22619536 = 426^2 + 4756^2 .

It is a super-2 number, since 2×22801012² = 1039772296448288, which contains 22 as substring.

It is a congruent number.

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, 12013 + ... + 13780.

It is an arithmetic number, because the mean of its divisors is an integer number (1895859).

Almost surely, 2^22801012 is an apocalyptic number.

It is an amenable number.

22801012 is a deficient number, since it is larger than the sum of its proper divisors (22699604).

22801012 is a wasteful number, since it uses less digits than its factorization.

22801012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25827 (or 25825 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 22801012 is about 4775.0405233883. The cubic root of 22801012 is about 283.5641831027.

Adding to 22801012 its reverse (21010822), we get a palindrome (43811834).

The spelling of 22801012 in words is "twenty-two million, eight hundred one thousand, twelve".