22217702655 has 16 divisors (see below), whose sum is σ = 35550908640. Its totient is φ = 11848579968.

The previous prime is 22217702627. The next prime is 22217702699. The reversal of 22217702655 is 55620771222.

It is not a de Polignac number, because 22217702655 - 2⁵ = 22217702623 is a prime.

It is a super-2 number, since 2×22217702655² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197089 + ... + 288581.

It is an arithmetic number, because the mean of its divisors is an integer number (2221931790).

Almost surely, 2^22217702655 is an apocalyptic number.

22217702655 is a deficient number, since it is larger than the sum of its proper divisors (13333205985).

22217702655 is a wasteful number, since it uses less digits than its factorization.

22217702655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107690.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 22217702655 in words is "twenty-two billion, two hundred seventeen million, seven hundred two thousand, six hundred fifty-five".