74222566 has 8 divisors (see below), whose sum is σ = 121455144. Its totient is φ = 33737520.

The previous prime is 74222563. The next prime is 74222567. The reversal of 74222566 is 66522247.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74222563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686855 + ... + 1686898.

It is an arithmetic number, because the mean of its divisors is an integer number (15181893).

Almost surely, 2^74222566 is an apocalyptic number.

74222566 is a deficient number, since it is larger than the sum of its proper divisors (47232578).

74222566 is a wasteful number, since it uses less digits than its factorization.

74222566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373766.

The product of its digits is 40320, while the sum is 34.

The square root of 74222566 is about 8615.2519405993. The cubic root of 74222566 is about 420.2541281394.

The spelling of 74222566 in words is "seventy-four million, two hundred twenty-two thousand, five hundred sixty-six".