2257764822 has 36 divisors (see below), whose sum is σ = 4943145636. Its totient is φ = 744773760.

The previous prime is 2257764799. The next prime is 2257764823. The reversal of 2257764822 is 2284677522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257764823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162697 + ... + 176027.

It is an arithmetic number, because the mean of its divisors is an integer number (137309601).

Almost surely, 2^2257764822 is an apocalyptic number.

2257764822 is an abundant number, since it is smaller than the sum of its proper divisors (2685380814).

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

2257764822 is a wasteful number, since it uses less digits than its factorization.

2257764822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533 (or 13433 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 2257764822 is about 47515.9428192265. The cubic root of 2257764822 is about 1311.8763434883.

The spelling of 2257764822 in words is "two billion, two hundred fifty-seven million, seven hundred sixty-four thousand, eight hundred twenty-two".