22260556 has 6 divisors (see below), whose sum is σ = 38955980. Its totient is φ = 11130276.

The previous prime is 22260521. The next prime is 22260593. The reversal of 22260556 is 65506222.

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, 2782566 + ... + 2782573.

Almost surely, 2^22260556 is an apocalyptic number.

It is an amenable number.

22260556 is a deficient number, since it is larger than the sum of its proper divisors (16695424).

22260556 is a wasteful number, since it uses less digits than its factorization.

22260556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565143 (or 5565141 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 22260556 is about 4718.1093671088. The cubic root of 22260556 is about 281.3057887026.

Adding to 22260556 its reverse (65506222), we get a palindrome (87766778).

The spelling of 22260556 in words is "twenty-two million, two hundred sixty thousand, five hundred fifty-six".