22890036 has 36 divisors (see below), whose sum is σ = 57839712. Its totient is φ = 7042464.

The previous prime is 22890031. The next prime is 22890073. The reversal of 22890036 is 63009822.

It is a junction number, because it is equal to n+sod(n) for n = 22889985 and 22890012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3616 + ... + 7671.

Almost surely, 2^22890036 is an apocalyptic number.

22890036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22890036 is an abundant number, since it is smaller than the sum of its proper divisors (34949676).

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

22890036 is a wasteful number, since it uses less digits than its factorization.

22890036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320 (or 11305 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22890036 is about 4784.3532478278. The cubic root of 22890036 is about 283.9327520470.

Adding to 22890036 its reverse (63009822), we get a palindrome (85899858).

The spelling of 22890036 in words is "twenty-two million, eight hundred ninety thousand, thirty-six".