22502474 has 8 divisors (see below), whose sum is σ = 33931008. Its totient is φ = 11192140.

The previous prime is 22502471. The next prime is 22502477. The reversal of 22502474 is 47420522.

It is an interprime number because it is at equal distance from previous prime (22502471) and next prime (22502477).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22502474² = 1012722672241352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22502471) 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 3 ways as a sum of consecutive naturals, for example, 29072 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (4241376).

Almost surely, 2^22502474 is an apocalyptic number.

22502474 is a deficient number, since it is larger than the sum of its proper divisors (11428534).

22502474 is a wasteful number, since it uses less digits than its factorization.

22502474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59100.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 22502474 is about 4743.6772655821. The cubic root of 22502474 is about 282.3211554990.

Adding to 22502474 its reverse (47420522), we get a palindrome (69922996).

The spelling of 22502474 in words is "twenty-two million, five hundred two thousand, four hundred seventy-four".