22797778016 has 24 divisors (see below), whose sum is σ = 48335674464. Its totient is φ = 10522051200.

The previous prime is 22797778013. The next prime is 22797778067. The reversal of 22797778016 is 61087779722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22797778013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27400760 + ... + 27401591.

It is an arithmetic number, because the mean of its divisors is an integer number (2013986436).

Almost surely, 2^22797778016 is an apocalyptic number.

22797778016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22797778016 is an abundant number, since it is smaller than the sum of its proper divisors (25537896448).

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

22797778016 is a wasteful number, since it uses less digits than its factorization.

22797778016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54802374 (or 54802366 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 56.

The spelling of 22797778016 in words is "twenty-two billion, seven hundred ninety-seven million, seven hundred seventy-eight thousand, sixteen".