42774881622 has 32 divisors (see below), whose sum is σ = 96545191680. Its totient is φ = 12515116320.

The previous prime is 42774881543. The next prime is 42774881641. The reversal of 42774881622 is 22618847724.

It is a super-2 number, since 2×42774881622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11172298 + ... + 11176125.

It is an arithmetic number, because the mean of its divisors is an integer number (3017037240).

Almost surely, 2^42774881622 is an apocalyptic number.

42774881622 is an abundant number, since it is smaller than the sum of its proper divisors (53770310058).

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

42774881622 is a wasteful number, since it uses less digits than its factorization.

42774881622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22348468.

The product of its digits is 2408448, while the sum is 51.

The spelling of 42774881622 in words is "forty-two billion, seven hundred seventy-four million, eight hundred eighty-one thousand, six hundred twenty-two".