22202217844 has 6 divisors (see below), whose sum is σ = 38853881234. Its totient is φ = 11101108920.

The previous prime is 22202217823. The next prime is 22202217853. The reversal of 22202217844 is 44871220222.

It can be written as a sum of positive squares in only one way, i.e., 17579577744 + 4622640100 = 132588^2 + 67990^2 .

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, 2775277227 + ... + 2775277234.

Almost surely, 2^22202217844 is an apocalyptic number.

It is an amenable number.

22202217844 is a deficient number, since it is larger than the sum of its proper divisors (16651663390).

22202217844 is a wasteful number, since it uses less digits than its factorization.

22202217844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550554465 (or 5550554463 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The spelling of 22202217844 in words is "twenty-two billion, two hundred two million, two hundred seventeen thousand, eight hundred forty-four".