23422790 has 16 divisors (see below), whose sum is σ = 42340320. Its totient is φ = 9329280.

The previous prime is 23422783. The next prime is 23422793. The reversal of 23422790 is 9722432.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422793) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2450 + ... + 7269.

It is an arithmetic number, because the mean of its divisors is an integer number (2646270).

Almost surely, 2^23422790 is an apocalyptic number.

23422790 is a deficient number, since it is larger than the sum of its proper divisors (18917530).

23422790 is a wasteful number, since it uses less digits than its factorization.

23422790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967.

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

The square root of 23422790 is about 4839.7097020379. The cubic root of 23422790 is about 286.1186770097.

The spelling of 23422790 in words is "twenty-three million, four hundred twenty-two thousand, seven hundred ninety".