22454138061 has 20 divisors (see below), whose sum is σ = 33561342144. Its totient is φ = 14961061800.

The previous prime is 22454138039. The next prime is 22454138087. The reversal of 22454138061 is 16083145422.

It is a happy number.

22454138061 is a `hidden beast` number, since 2 + 24 + 541 + 38 + 0 + 61 = 666.

It is not a de Polignac number, because 22454138061 - 2⁵ = 22454138029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454138011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70156 + ... + 223226.

Almost surely, 2^22454138061 is an apocalyptic number.

It is an amenable number.

22454138061 is a deficient number, since it is larger than the sum of its proper divisors (11107204083).

22454138061 is a wasteful number, since it uses less digits than its factorization.

22454138061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154894 (or 154885 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 22454138061 in words is "twenty-two billion, four hundred fifty-four million, one hundred thirty-eight thousand, sixty-one".