22385474 has 4 divisors (see below), whose sum is σ = 33578214. Its totient is φ = 11192736.

The previous prime is 22385453. The next prime is 22385479. The reversal of 22385474 is 47458322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15547249 + 6838225 = 3943^2 + 2615^2 .

It is a super-2 number, since 2×22385474² = 1002218892409352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22385479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596367 + ... + 5596370.

Almost surely, 2^22385474 is an apocalyptic number.

22385474 is a deficient number, since it is larger than the sum of its proper divisors (11192740).

22385474 is a wasteful number, since it uses less digits than its factorization.

22385474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192739.

The product of its digits is 53760, while the sum is 35.

The square root of 22385474 is about 4731.3289887726. The cubic root of 22385474 is about 281.8310021412.

The spelling of 22385474 in words is "twenty-two million, three hundred eighty-five thousand, four hundred seventy-four".