22253474 has 16 divisors (see below), whose sum is σ = 34699776. Its totient is φ = 10692000.

The previous prime is 22253437. The next prime is 22253501. The reversal of 22253474 is 47435222.

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, 8174 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (2168736).

Almost surely, 2^22253474 is an apocalyptic number.

22253474 is a deficient number, since it is larger than the sum of its proper divisors (12446302).

22253474 is a wasteful number, since it uses less digits than its factorization.

22253474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its digits is 13440, while the sum is 29.

The square root of 22253474 is about 4717.3587949190. The cubic root of 22253474 is about 281.2759538847.

Adding to 22253474 its reverse (47435222), we get a palindrome (69688696).

The spelling of 22253474 in words is "twenty-two million, two hundred fifty-three thousand, four hundred seventy-four".