22051694 has 16 divisors (see below), whose sum is σ = 38322528. Its totient is φ = 9320832.

The previous prime is 22051661. The next prime is 22051709. The reversal of 22051694 is 49615022.

It is a happy number.

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, 9767 + ... + 11810.

It is an arithmetic number, because the mean of its divisors is an integer number (2395158).

Almost surely, 2^22051694 is an apocalyptic number.

22051694 is a deficient number, since it is larger than the sum of its proper divisors (16270834).

22051694 is a wasteful number, since it uses less digits than its factorization.

22051694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21659.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 22051694 is about 4695.9231254355. The cubic root of 22051694 is about 280.4232290011.

The spelling of 22051694 in words is "twenty-two million, fifty-one thousand, six hundred ninety-four".