22101727240 has 16 divisors (see below), whose sum is σ = 49728886380. Its totient is φ = 8840690880.

The previous prime is 22101727231. The next prime is 22101727253. The reversal of 22101727240 is 4272710122.

It can be written as a sum of positive squares in 2 ways, for example, as 19609521156 + 2492206084 = 140034^2 + 49922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101727199 and 22101727208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276271551 + ... + 276271630.

Almost surely, 2^22101727240 is an apocalyptic number.

22101727240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101727240 is an abundant number, since it is smaller than the sum of its proper divisors (27627159140).

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

22101727240 is a wasteful number, since it uses less digits than its factorization.

22101727240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552543192 (or 552543188 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 22101727240 in words is "twenty-two billion, one hundred one million, seven hundred twenty-seven thousand, two hundred forty".