22990026 has 16 divisors (see below), whose sum is σ = 46116000. Its totient is φ = 7640688.

The previous prime is 22990021. The next prime is 22990039. The reversal of 22990026 is 62009922.

It is a junction number, because it is equal to n+sod(n) for n = 22989975 and 22990002.

It is not an unprimeable number, because it can be changed into a prime (22990021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (2882250).

Almost surely, 2^22990026 is an apocalyptic number.

22990026 is an abundant number, since it is smaller than the sum of its proper divisors (23125974).

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

22990026 is a wasteful number, since it uses less digits than its factorization.

22990026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22990026 is about 4794.7915491708. The cubic root of 22990026 is about 284.3455837382.

Adding to 22990026 its reverse (62009922), we get a palindrome (84999948).

The spelling of 22990026 in words is "twenty-two million, nine hundred ninety thousand, twenty-six".