22690424 has 8 divisors (see below), whose sum is σ = 42544560. Its totient is φ = 11345208.

The previous prime is 22690417. The next prime is 22690429. The reversal of 22690424 is 42409622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22690429) 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 as a sum of consecutive naturals, namely, 1418144 + ... + 1418159.

It is an arithmetic number, because the mean of its divisors is an integer number (5318070).

Almost surely, 2^22690424 is an apocalyptic number.

It is an amenable number.

22690424 is a deficient number, since it is larger than the sum of its proper divisors (19854136).

22690424 is a wasteful number, since it uses less digits than its factorization.

22690424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836309 (or 2836305 counting only the distinct ones).

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

The square root of 22690424 is about 4763.4466513230. The cubic root of 22690424 is about 283.1049983515.

The spelling of 22690424 in words is "twenty-two million, six hundred ninety thousand, four hundred twenty-four".