22522504223666 has 4 divisors (see below), whose sum is σ = 33783756335502. Its totient is φ = 11261252111832.

The previous prime is 22522504223647. The next prime is 22522504223677. The reversal of 22522504223666 is 66632240522522.

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

It can be written as a sum of positive squares in only one way, i.e., 22178966397025 + 343537826641 = 4709455^2 + 586121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22522504223666.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630626055915 + ... + 5630626055918.

Almost surely, 2^{22522504223666} is an apocalyptic number.

22522504223666 is a deficient number, since it is larger than the sum of its proper divisors (11261252111836).

22522504223666 is a wasteful number, since it uses less digits than its factorization.

22522504223666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261252111835.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 22522504223666 in words is "twenty-two trillion, five hundred twenty-two billion, five hundred four million, two hundred twenty-three thousand, six hundred sixty-six".