22727494 has 4 divisors (see below), whose sum is σ = 34091244. Its totient is φ = 11363746.

The previous prime is 22727483. The next prime is 22727501. The reversal of 22727494 is 49472722.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 5681872 + ... + 5681875.

It is an arithmetic number, because the mean of its divisors is an integer number (8522811).

Almost surely, 2^22727494 is an apocalyptic number.

22727494 is a deficient number, since it is larger than the sum of its proper divisors (11363750).

22727494 is a wasteful number, since it uses less digits than its factorization.

22727494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363749.

The product of its digits is 56448, while the sum is 37.

The square root of 22727494 is about 4767.3361534509. The cubic root of 22727494 is about 283.2590867355.

The spelling of 22727494 in words is "twenty-two million, seven hundred twenty-seven thousand, four hundred ninety-four".