2251501022 has 32 divisors (see below), whose sum is σ = 3467162880. Its totient is φ = 1096280640.

The previous prime is 2251501009. The next prime is 2251501037. The reversal of 2251501022 is 2201051522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2251500985 and 2251501003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7193138 + ... + 7193450.

It is an arithmetic number, because the mean of its divisors is an integer number (108348840).

Almost surely, 2^2251501022 is an apocalyptic number.

2251501022 is a deficient number, since it is larger than the sum of its proper divisors (1215661858).

2251501022 is a wasteful number, since it uses less digits than its factorization.

2251501022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2251501022 is about 47449.9844257087. The cubic root of 2251501022 is about 1310.6620242187.

Adding to 2251501022 its reverse (2201051522), we get a palindrome (4452552544).

The spelling of 2251501022 in words is "two billion, two hundred fifty-one million, five hundred one thousand, twenty-two".