22147902 has 36 divisors (see below), whose sum is σ = 55823976. Its totient is φ = 6327720.

The previous prime is 22147897. The next prime is 22147903. The reversal of 22147902 is 20974122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11674 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (1550666).

Almost surely, 2^22147902 is an apocalyptic number.

22147902 is an abundant number, since it is smaller than the sum of its proper divisors (33676074).

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

22147902 is a wasteful number, since it uses less digits than its factorization.

22147902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25133 (or 25123 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22147902 is about 4706.1557560285. The cubic root of 22147902 is about 280.8304511988.

The spelling of 22147902 in words is "twenty-two million, one hundred forty-seven thousand, nine hundred two".