22245777912474 has 128 divisors (see below), whose sum is σ = 55115758368000. Its totient is φ = 6609605474304.

The previous prime is 22245777912467. The next prime is 22245777912487. The reversal of 22245777912474 is 47421977754222.

It is a happy number.

22245777912474 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 5 + 7 + 77 + 91 + 2 + 474 = 666.

It is a super-2 number, since 2×22245777912474² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54022062 + ... + 54432294.

It is an arithmetic number, because the mean of its divisors is an integer number (430591862250).

Almost surely, 2^{22245777912474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22245777912474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27557879184000).

22245777912474 is an abundant number, since it is smaller than the sum of its proper divisors (32869980455526).

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

22245777912474 is a wasteful number, since it uses less digits than its factorization.

22245777912474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413389 (or 413383 counting only the distinct ones).

The product of its digits is 110638080, while the sum is 63.

The spelling of 22245777912474 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred seventy-seven million, nine hundred twelve thousand, four hundred seventy-four".