22494406 has 16 divisors (see below), whose sum is σ = 37997568. Its totient is φ = 9894600.

The previous prime is 22494377. The next prime is 22494457. The reversal of 22494406 is 60449422.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15810 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^22494406 is an apocalyptic number.

22494406 is a deficient number, since it is larger than the sum of its proper divisors (15503162).

22494406 is a wasteful number, since it uses less digits than its factorization.

22494406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33027.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22494406 is about 4742.8267942230. The cubic root of 22494406 is about 282.2874104782.

The spelling of 22494406 in words is "twenty-two million, four hundred ninety-four thousand, four hundred six".