74812222 has 4 divisors (see below), whose sum is σ = 112218336. Its totient is φ = 37406110.

The previous prime is 74812219. The next prime is 74812229. The reversal of 74812222 is 22221847.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74812229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18703054 + ... + 18703057.

It is an arithmetic number, because the mean of its divisors is an integer number (28054584).

Almost surely, 2^74812222 is an apocalyptic number.

74812222 is a deficient number, since it is larger than the sum of its proper divisors (37406114).

74812222 is a wasteful number, since it uses less digits than its factorization.

74812222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37406113.

The product of its digits is 3584, while the sum is 28.

The square root of 74812222 is about 8649.4058755501. The cubic root of 74812222 is about 421.3640871828.

The spelling of 74812222 in words is "seventy-four million, eight hundred twelve thousand, two hundred twenty-two".