2522644890 has 32 divisors (see below), whose sum is σ = 6071820480. Its totient is φ = 670763904.

The previous prime is 2522644889. The next prime is 2522644897. The reversal of 2522644890 is 984462252.

It is a super-2 number, since 2×2522644890² = 12727474482086224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2522644897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110755 + ... + 131574.

It is an arithmetic number, because the mean of its divisors is an integer number (189744390).

Almost surely, 2^2522644890 is an apocalyptic number.

2522644890 is an abundant number, since it is smaller than the sum of its proper divisors (3549175590).

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

2522644890 is a wasteful number, since it uses less digits than its factorization.

2522644890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242686.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2522644890 is about 50225.9384183113. The cubic root of 2522644890 is about 1361.2943433727.

The spelling of 2522644890 in words is "two billion, five hundred twenty-two million, six hundred forty-four thousand, eight hundred ninety".