22432790 has 16 divisors (see below), whose sum is σ = 40439520. Its totient is φ = 8959680.

The previous prime is 22432789. The next prime is 22432801. The reversal of 22432790 is 9723422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7970 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (2527470).

Almost surely, 2^22432790 is an apocalyptic number.

22432790 is a deficient number, since it is larger than the sum of its proper divisors (18006730).

22432790 is a wasteful number, since it uses less digits than its factorization.

22432790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22432790 is about 4736.3266356956. The cubic root of 22432790 is about 282.0294303909.

The spelling of 22432790 in words is "twenty-two million, four hundred thirty-two thousand, seven hundred ninety".