22117139040 has 48 divisors (see below), whose sum is σ = 69668989488. Its totient is φ = 5897903616.

The previous prime is 22117139003. The next prime is 22117139041. The reversal of 22117139040 is 4093171122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22117138989 and 22117139007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22117139041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23038207 + ... + 23039166.

It is an arithmetic number, because the mean of its divisors is an integer number (1451437281).

Almost surely, 2^22117139040 is an apocalyptic number.

22117139040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22117139040 is an abundant number, since it is smaller than the sum of its proper divisors (47551850448).

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

22117139040 is a wasteful number, since it uses less digits than its factorization.

22117139040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46077391 (or 46077383 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 22117139040 in words is "twenty-two billion, one hundred seventeen million, one hundred thirty-nine thousand, forty".