74814222 has 64 divisors (see below), whose sum is σ = 181407744. Its totient is φ = 20113920.

The previous prime is 74814151. The next prime is 74814227. The reversal of 74814222 is 22241847.

It is a self number, because there is not a number n which added to its sum of digits gives 74814222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74814227) 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 31 ways as a sum of consecutive naturals, for example, 47398 + ... + 48950.

It is an arithmetic number, because the mean of its divisors is an integer number (2834496).

Almost surely, 2^74814222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74814222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90703872).

74814222 is an abundant number, since it is smaller than the sum of its proper divisors (106593522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74814222 is a wasteful number, since it uses less digits than its factorization.

74814222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its digits is 7168, while the sum is 30.

The square root of 74814222 is about 8649.5214896548. The cubic root of 74814222 is about 421.3678420090.

The spelling of 74814222 in words is "seventy-four million, eight hundred fourteen thousand, two hundred twenty-two".