74288021222 has 4 divisors (see below), whose sum is σ = 111432031836. Its totient is φ = 37144010610.

The previous prime is 74288021201. The next prime is 74288021239. The reversal of 74288021222 is 22212088247.

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

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, 18572005304 + ... + 18572005307.

It is an arithmetic number, because the mean of its divisors is an integer number (27858007959).

Almost surely, 2^74288021222 is an apocalyptic number.

74288021222 is a deficient number, since it is larger than the sum of its proper divisors (37144010614).

74288021222 is a wasteful number, since it uses less digits than its factorization.

74288021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37144010613.

The product of its (nonzero) digits is 57344, while the sum is 38.

The spelling of 74288021222 in words is "seventy-four billion, two hundred eighty-eight million, twenty-one thousand, two hundred twenty-two".