22470556 has 6 divisors (see below), whose sum is σ = 39323480. Its totient is φ = 11235276.

The previous prime is 22470529. The next prime is 22470557. The reversal of 22470556 is 65507422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22470557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808816 + ... + 2808823.

Almost surely, 2^22470556 is an apocalyptic number.

It is an amenable number.

22470556 is a deficient number, since it is larger than the sum of its proper divisors (16852924).

22470556 is a wasteful number, since it uses less digits than its factorization.

22470556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617643 (or 5617641 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 22470556 is about 4740.3118040905. The cubic root of 22470556 is about 282.1876088421.

Adding to 22470556 its reverse (65507422), we get a palindrome (87977978).

The spelling of 22470556 in words is "twenty-two million, four hundred seventy thousand, five hundred fifty-six".