22270191685 has 16 divisors (see below), whose sum is σ = 30856847616. Its totient is φ = 15113553408.

The previous prime is 22270191667. The next prime is 22270191781. The reversal of 22270191685 is 58619107222.

It is a cyclic number.

It is not a de Polignac number, because 22270191685 - 2¹⁷ = 22270060613 is a prime.

It is a super-2 number, since 2×22270191685² (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, 3276457 + ... + 3283246.

It is an arithmetic number, because the mean of its divisors is an integer number (1928552976).

Almost surely, 2^22270191685 is an apocalyptic number.

It is an amenable number.

22270191685 is a deficient number, since it is larger than the sum of its proper divisors (8586655931).

22270191685 is an equidigital number, since it uses as much as digits as its factorization.

22270191685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559812.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 22270191685 in words is "twenty-two billion, two hundred seventy million, one hundred ninety-one thousand, six hundred eighty-five".