74612222 has 4 divisors (see below), whose sum is σ = 111918336. Its totient is φ = 37306110.

The previous prime is 74612177. The next prime is 74612231. The reversal of 74612222 is 22221647.

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

It is a junction number, because it is equal to n+sod(n) for n = 74612191 and 74612200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18653054 + ... + 18653057.

It is an arithmetic number, because the mean of its divisors is an integer number (27979584).

Almost surely, 2^74612222 is an apocalyptic number.

74612222 is a deficient number, since it is larger than the sum of its proper divisors (37306114).

74612222 is a wasteful number, since it uses less digits than its factorization.

74612222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37306113.

The product of its digits is 2688, while the sum is 26.

The square root of 74612222 is about 8637.8366504583. The cubic root of 74612222 is about 420.9882661200.

Adding to 74612222 its reverse (22221647), we get a palindrome (96833869).

The spelling of 74612222 in words is "seventy-four million, six hundred twelve thousand, two hundred twenty-two".