22217670416 has 10 divisors (see below), whose sum is σ = 43046736462. Its totient is φ = 11108835200.

The previous prime is 22217670389. The next prime is 22217670421. The reversal of 22217670416 is 61407671222.

It can be written as a sum of positive squares in only one way, i.e., 19757113600 + 2460556816 = 140560^2 + 49604^2 .

It is a super-2 number, since 2×22217670416² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22217670416.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694302185 + ... + 694302216.

Almost surely, 2^22217670416 is an apocalyptic number.

It is an amenable number.

22217670416 is a deficient number, since it is larger than the sum of its proper divisors (20829066046).

22217670416 is a wasteful number, since it uses less digits than its factorization.

22217670416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388604409 (or 1388604403 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 22217670416 in words is "twenty-two billion, two hundred seventeen million, six hundred seventy thousand, four hundred sixteen".