22729496 has 8 divisors (see below), whose sum is σ = 42617820. Its totient is φ = 11364744.

The previous prime is 22729489. The next prime is 22729513. The reversal of 22729496 is 69492722.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420586 + ... + 1420601.

Almost surely, 2^22729496 is an apocalyptic number.

It is an amenable number.

22729496 is a deficient number, since it is larger than the sum of its proper divisors (19888324).

22729496 is a wasteful number, since it uses less digits than its factorization.

22729496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841193 (or 2841189 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 22729496 is about 4767.5461193364. The cubic root of 22729496 is about 283.2674036525.

The spelling of 22729496 in words is "twenty-two million, seven hundred twenty-nine thousand, four hundred ninety-six".