22452406186 has 32 divisors (see below), whose sum is σ = 38774194560. Its totient is φ = 9551635776.

The previous prime is 22452406169. The next prime is 22452406189. The reversal of 22452406186 is 68160425422.

It is a super-2 number, since 2×22452406186² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22452406189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032421 + ... + 1053943.

It is an arithmetic number, because the mean of its divisors is an integer number (1211693580).

Almost surely, 2^22452406186 is an apocalyptic number.

22452406186 is a deficient number, since it is larger than the sum of its proper divisors (16321788374).

22452406186 is a wasteful number, since it uses less digits than its factorization.

22452406186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22078.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 22452406186 in words is "twenty-two billion, four hundred fifty-two million, four hundred six thousand, one hundred eighty-six".