22212716740 has 24 divisors (see below), whose sum is σ = 46662862680. Its totient is φ = 8882009088.

The previous prime is 22212716723. The next prime is 22212716741. The reversal of 22212716740 is 4761721222.

It can be written as a sum of positive squares in 4 ways, for example, as 7712703684 + 14500013056 = 87822^2 + 120416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212716696 and 22212716705.

It is not an unprimeable number, because it can be changed into a prime (22212716741) 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, 132717 + ... + 249076.

It is an arithmetic number, because the mean of its divisors is an integer number (1944285945).

Almost surely, 2^22212716740 is an apocalyptic number.

22212716740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212716740 is an abundant number, since it is smaller than the sum of its proper divisors (24450145940).

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

22212716740 is a wasteful number, since it uses less digits than its factorization.

22212716740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384711 (or 384709 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 22212716740 in words is "twenty-two billion, two hundred twelve million, seven hundred sixteen thousand, seven hundred forty".