22057772340 has 96 divisors (see below), whose sum is σ = 68238132480. Its totient is φ = 5295364096.

The previous prime is 22057772293. The next prime is 22057772377. The reversal of 22057772340 is 4327775022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446655 + ... + 493574.

It is an arithmetic number, because the mean of its divisors is an integer number (710813880).

Almost surely, 2^22057772340 is an apocalyptic number.

22057772340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22057772340 is an abundant number, since it is smaller than the sum of its proper divisors (46180360140).

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

22057772340 is a wasteful number, since it uses less digits than its factorization.

22057772340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940281 (or 940279 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 22057772340 in words is "twenty-two billion, fifty-seven million, seven hundred seventy-two thousand, three hundred forty".