22249475 has 24 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 16308000.

The previous prime is 22249463. The next prime is 22249501. The reversal of 22249475 is 57494222.

It is not a de Polignac number, because 22249475 - 2⁸ = 22249219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13970 + ... + 15480.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^22249475 is an apocalyptic number.

22249475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22249475 is a deficient number, since it is larger than the sum of its proper divisors (7748605).

22249475 is a wasteful number, since it uses less digits than its factorization.

22249475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1566 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 22249475 is about 4716.9349158113. The cubic root of 22249475 is about 281.2591042320.

The spelling of 22249475 in words is "twenty-two million, two hundred forty-nine thousand, four hundred seventy-five".