22149217404 has 36 divisors (see below), whose sum is σ = 57794376640. Its totient is φ = 7144908480.

The previous prime is 22149217381. The next prime is 22149217411. The reversal of 22149217404 is 40471294122.

It is a happy number.

22149217404 is a `hidden beast` number, since 22 + 14 + 9 + 217 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9922369 + ... + 9924600.

Almost surely, 2^22149217404 is an apocalyptic number.

It is an amenable number.

22149217404 is an abundant number, since it is smaller than the sum of its proper divisors (35645159236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22149217404 is a wasteful number, since it uses less digits than its factorization.

22149217404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19847010 (or 19847005 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 22149217404 in words is "twenty-two billion, one hundred forty-nine million, two hundred seventeen thousand, four hundred four".