22126646 has 16 divisors (see below), whose sum is σ = 33786720. Its totient is φ = 10866240.

The previous prime is 22126631. The next prime is 22126651. The reversal of 22126646 is 64662122.

It is a super-3 number, since 3×22126646³ (a number of 23 digits) contains 333 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, 34751 + ... + 35381.

It is an arithmetic number, because the mean of its divisors is an integer number (2111670).

Almost surely, 2^22126646 is an apocalyptic number.

22126646 is a deficient number, since it is larger than the sum of its proper divisors (11660074).

22126646 is a wasteful number, since it uses less digits than its factorization.

22126646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its digits is 6912, while the sum is 29.

The square root of 22126646 is about 4703.8968951285. The cubic root of 22126646 is about 280.7405819983.

Adding to 22126646 its reverse (64662122), we get a palindrome (86788768).

The spelling of 22126646 in words is "twenty-two million, one hundred twenty-six thousand, six hundred forty-six".