22245777912460 has 24 divisors (see below), whose sum is σ = 46718577603936. Its totient is φ = 8897845643520.

The previous prime is 22245777912439. The next prime is 22245777912461. The reversal of 22245777912460 is 6421977754222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22245777912395 and 22245777912404.

It is not an unprimeable number, because it can be changed into a prime (22245777912461) 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, 28703112 + ... + 29467951.

It is an arithmetic number, because the mean of its divisors is an integer number (1946607400164).

Almost surely, 2^{22245777912460} is an apocalyptic number.

22245777912460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22245777912460 is an abundant number, since it is smaller than the sum of its proper divisors (24472799691476).

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

22245777912460 is a wasteful number, since it uses less digits than its factorization.

22245777912460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58190193 (or 58190191 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 22245777912460 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-seven million, nine hundred twelve thousand, four hundred sixty".