22569494 has 8 divisors (see below), whose sum is σ = 34574688. Its totient is φ = 11044600.

The previous prime is 22569479. The next prime is 22569559. The reversal of 22569494 is 49496522.

It is a happy number.

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

22569494 is a modest number, since divided by 9494 gives 2256 as remainder.

It is a congruent number.

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, 119957 + ... + 120144.

It is an arithmetic number, because the mean of its divisors is an integer number (4321836).

Almost surely, 2^22569494 is an apocalyptic number.

22569494 is a deficient number, since it is larger than the sum of its proper divisors (12005194).

22569494 is a wasteful number, since it uses less digits than its factorization.

22569494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240150.

The product of its digits is 155520, while the sum is 41.

The square root of 22569494 is about 4750.7361534819. The cubic root of 22569494 is about 282.6011604193.

It can be divided in two parts, 225694 and 94, that multiplied together give a square (21215236 = 4606²).

The spelling of 22569494 in words is "twenty-two million, five hundred sixty-nine thousand, four hundred ninety-four".