22797222002 has 4 divisors (see below), whose sum is σ = 34195833006. Its totient is φ = 11398611000.

The previous prime is 22797221999. The next prime is 22797222017. The reversal of 22797222002 is 20022279722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20022279722 = 2 ⋅10011139861.

It can be written as a sum of positive squares in only one way, i.e., 16402181041 + 6395040961 = 128071^2 + 79969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5699305499 + ... + 5699305502.

Almost surely, 2^22797222002 is an apocalyptic number.

22797222002 is a deficient number, since it is larger than the sum of its proper divisors (11398611004).

22797222002 is a wasteful number, since it uses less digits than its factorization.

22797222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398611003.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 22797222002 in words is "twenty-two billion, seven hundred ninety-seven million, two hundred twenty-two thousand, two".