22743475 has 12 divisors (see below), whose sum is σ = 29686840. Its totient is φ = 17236800.

The previous prime is 22743473. The next prime is 22743503. The reversal of 22743475 is 57434722.

It is not a de Polignac number, because 22743475 - 2¹ = 22743473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22743475.

It is not an unprimeable number, because it can be changed into a prime (22743473) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23466 + ... + 24415.

Almost surely, 2^22743475 is an apocalyptic number.

22743475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22743475 is a deficient number, since it is larger than the sum of its proper divisors (6943365).

22743475 is a wasteful number, since it uses less digits than its factorization.

22743475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47910 (or 47905 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 22743475 is about 4769.0119521763. The cubic root of 22743475 is about 283.3254630647.

The spelling of 22743475 in words is "twenty-two million, seven hundred forty-three thousand, four hundred seventy-five".