22456494 has 16 divisors (see below), whose sum is σ = 49903440. Its totient is φ = 7485480.

The previous prime is 22456481. The next prime is 22456501. The reversal of 22456494 is 49465422.

22456494 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 649 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 207877 + ... + 207984.

It is an arithmetic number, because the mean of its divisors is an integer number (3118965).

Almost surely, 2^22456494 is an apocalyptic number.

22456494 is an abundant number, since it is smaller than the sum of its proper divisors (27446946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22456494 is a wasteful number, since it uses less digits than its factorization.

22456494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415872 (or 415866 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22456494 is about 4738.8283362029. The cubic root of 22456494 is about 282.1287325332.

The spelling of 22456494 in words is "twenty-two million, four hundred fifty-six thousand, four hundred ninety-four".