74812022 has 4 divisors (see below), whose sum is σ = 112218036. Its totient is φ = 37406010.

The previous prime is 74812009. The next prime is 74812033. The reversal of 74812022 is 22021847.

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 = 74811982 and 74812000.

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, 18703004 + ... + 18703007.

It is an arithmetic number, because the mean of its divisors is an integer number (28054509).

Almost surely, 2^74812022 is an apocalyptic number.

74812022 is a deficient number, since it is larger than the sum of its proper divisors (37406014).

74812022 is a wasteful number, since it uses less digits than its factorization.

74812022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37406013.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 74812022 is about 8649.3943140546. The cubic root of 74812022 is about 421.3637116965.

Adding to 74812022 its reverse (22021847), we get a palindrome (96833869).

The spelling of 74812022 in words is "seventy-four million, eight hundred twelve thousand, twenty-two".