22274501902 has 4 divisors (see below), whose sum is σ = 33411752856. Its totient is φ = 11137250950.

The previous prime is 22274501897. The next prime is 22274501903. The reversal of 22274501902 is 20910547222.

It is a happy number.

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 (22274501903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568625474 + ... + 5568625477.

It is an arithmetic number, because the mean of its divisors is an integer number (8352938214).

Almost surely, 2^22274501902 is an apocalyptic number.

22274501902 is a deficient number, since it is larger than the sum of its proper divisors (11137250954).

22274501902 is a wasteful number, since it uses less digits than its factorization.

22274501902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11137250953.

The product of its (nonzero) digits is 20160, while the sum is 34.

It can be divided in two parts, 22274 and 501902, that added together give a square (524176 = 724²).

The spelling of 22274501902 in words is "twenty-two billion, two hundred seventy-four million, five hundred one thousand, nine hundred two".