22424690 has 8 divisors (see below), whose sum is σ = 40364460. Its totient is φ = 8969872.

The previous prime is 22424681. The next prime is 22424729. The reversal of 22424690 is 9642422.

It can be written as a sum of positive squares in 2 ways, for example, as 18412681 + 4012009 = 4291^2 + 2003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22424690² = 1005733443192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121225 + ... + 1121244.

Almost surely, 2^22424690 is an apocalyptic number.

22424690 is a deficient number, since it is larger than the sum of its proper divisors (17939770).

22424690 is a wasteful number, since it uses less digits than its factorization.

22424690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242476.

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

The square root of 22424690 is about 4735.4714654404. The cubic root of 22424690 is about 281.9954813755.

The spelling of 22424690 in words is "twenty-two million, four hundred twenty-four thousand, six hundred ninety".