2502022251 has 16 divisors (see below), whose sum is σ = 3490845984. Its totient is φ = 1592308224.

The previous prime is 2502022247. The next prime is 2502022273. The reversal of 2502022251 is 1522202052.

It is not a de Polignac number, because 2502022251 - 2² = 2502022247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502022151) 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, 206766 + ... + 218531.

It is an arithmetic number, because the mean of its divisors is an integer number (218177874).

Almost surely, 2^2502022251 is an apocalyptic number.

2502022251 is a deficient number, since it is larger than the sum of its proper divisors (988823733).

2502022251 is a wasteful number, since it uses less digits than its factorization.

2502022251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425390.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2502022251 is about 50020.2184221541. The cubic root of 2502022251 is about 1357.5746585857.

The spelling of 2502022251 in words is "two billion, five hundred two million, twenty-two thousand, two hundred fifty-one".