2251501122 has 32 divisors (see below), whose sum is σ = 4859346240. Its totient is φ = 691346880.

The previous prime is 2251501117. The next prime is 2251501127. The reversal of 2251501122 is 2211051522.

It is an interprime number because it is at equal distance from previous prime (2251501117) and next prime (2251501127).

It is not an unprimeable number, because it can be changed into a prime (2251501127) 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 15 ways as a sum of consecutive naturals, for example, 8904 + ... + 67692.

It is an arithmetic number, because the mean of its divisors is an integer number (151854570).

Almost surely, 2^2251501122 is an apocalyptic number.

2251501122 is an abundant number, since it is smaller than the sum of its proper divisors (2607845118).

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

2251501122 is a wasteful number, since it uses less digits than its factorization.

2251501122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59298.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2251501122 is about 47449.9854794498. The cubic root of 2251501122 is about 1310.6620436229.

Adding to 2251501122 its reverse (2211051522), we get a palindrome (4462552644).

Subtracting from 2251501122 its reverse (2211051522), we obtain a square (40449600 = 6360²).

The spelling of 2251501122 in words is "two billion, two hundred fifty-one million, five hundred one thousand, one hundred twenty-two".