22590126 has 48 divisors (see below), whose sum is σ = 55495440. Its totient is φ = 6583680.

The previous prime is 22590089. The next prime is 22590131. The reversal of 22590126 is 62109522.

It is a self number, because there is not a number n which added to its sum of digits gives 22590126.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1906 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (1156155).

Almost surely, 2^22590126 is an apocalyptic number.

22590126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22590126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27747720).

22590126 is an abundant number, since it is smaller than the sum of its proper divisors (32905314).

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

22590126 is a wasteful number, since it uses less digits than its factorization.

22590126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 22590126 is about 4752.9071103904. The cubic root of 22590126 is about 282.6872478809.

Adding to 22590126 its reverse (62109522), we get a palindrome (84699648).

The spelling of 22590126 in words is "twenty-two million, five hundred ninety thousand, one hundred twenty-six".