2500642122 has 16 divisors (see below), whose sum is σ = 5455946592. Its totient is φ = 757770320.

The previous prime is 2500642099. The next prime is 2500642127. The reversal of 2500642122 is 2212460052.

It is a happy number.

It is a super-2 number, since 2×2500642122² = 12506422044641325768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2500642092 and 2500642101.

It is not an unprimeable number, because it can be changed into a prime (2500642127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18944193 + ... + 18944324.

It is an arithmetic number, because the mean of its divisors is an integer number (340996662).

Almost surely, 2^2500642122 is an apocalyptic number.

2500642122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2500642122 is an abundant number, since it is smaller than the sum of its proper divisors (2955304470).

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

2500642122 is a wasteful number, since it uses less digits than its factorization.

2500642122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37888533.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2500642122 is about 50006.4208077323. The cubic root of 2500642122 is about 1357.3249975016.

The spelling of 2500642122 in words is "two billion, five hundred million, six hundred forty-two thousand, one hundred twenty-two".