22521709464674 has 8 divisors (see below), whose sum is σ = 38608644796608. Its totient is φ = 9652161199140.

The previous prime is 22521709464647. The next prime is 22521709464691. The reversal of 22521709464674 is 47646490712522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22521709464674² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804346766582 + ... + 804346766609.

It is an arithmetic number, because the mean of its divisors is an integer number (4826080599576).

Almost surely, 2^{22521709464674} is an apocalyptic number.

22521709464674 is a deficient number, since it is larger than the sum of its proper divisors (16086935331934).

22521709464674 is a wasteful number, since it uses less digits than its factorization.

22521709464674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608693533200.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 22521709464674 in words is "twenty-two trillion, five hundred twenty-one billion, seven hundred nine million, four hundred sixty-four thousand, six hundred seventy-four".