22118032740 has 48 divisors (see below), whose sum is σ = 61939446912. Its totient is φ = 5897289216.

The previous prime is 22118032711. The next prime is 22118032757. The reversal of 22118032740 is 4723081122.

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 = 22118032698 and 22118032707.

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, 467452 + ... + 512588.

It is an arithmetic number, because the mean of its divisors is an integer number (1290405144).

Almost surely, 2^22118032740 is an apocalyptic number.

22118032740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22118032740 is an abundant number, since it is smaller than the sum of its proper divisors (39821414172).

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

22118032740 is a wasteful number, since it uses less digits than its factorization.

22118032740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53316 (or 53314 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 22118032740 in words is "twenty-two billion, one hundred eighteen million, thirty-two thousand, seven hundred forty".