22131684054 has 32 divisors (see below), whose sum is σ = 49234572000. Its totient is φ = 7369270272.

The previous prime is 22131684041. The next prime is 22131684143. The reversal of 22131684054 is 45048613122.

It is a happy number.

It is a super-2 number, since 2×22131684054² (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, 170419 + ... + 270750.

It is an arithmetic number, because the mean of its divisors is an integer number (1538580375).

Almost surely, 2^22131684054 is an apocalyptic number.

22131684054 is an abundant number, since it is smaller than the sum of its proper divisors (27102887946).

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

22131684054 is a wasteful number, since it uses less digits than its factorization.

22131684054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442109 (or 442103 counting only the distinct ones).

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

The spelling of 22131684054 in words is "twenty-two billion, one hundred thirty-one million, six hundred eighty-four thousand, fifty-four".