2222788544 has 28 divisors (see below), whose sum is σ = 4445593344. Its totient is φ = 1102639104.

The previous prime is 2222788543. The next prime is 2222788591. The reversal of 2222788544 is 4458872222.

2222788544 is an admirable number.

It is a super-2 number, since 2×2222788544² = 9881577822675279872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222788495 and 2222788504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222788543) 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, 128609 + ... + 144864.

Almost surely, 2^2222788544 is an apocalyptic number.

It is an amenable number.

2222788544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2222788544 is a wasteful number, since it uses less digits than its factorization.

2222788544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273612 (or 273602 counting only the distinct ones).

The product of its digits is 573440, while the sum is 44.

The square root of 2222788544 is about 47146.4584459957. The cubic root of 2222788544 is about 1305.0667247142.

The spelling of 2222788544 in words is "two billion, two hundred twenty-two million, seven hundred eighty-eight thousand, five hundred forty-four".