2251313622 has 64 divisors (see below), whose sum is σ = 5108083200. Its totient is φ = 734767200.

The previous prime is 2251313599. The next prime is 2251313683. The reversal of 2251313622 is 2263131522.

It is a happy number.

2251313622 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 31 + 3 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 881247 + ... + 883797.

It is an arithmetic number, because the mean of its divisors is an integer number (79813800).

Almost surely, 2^2251313622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251313622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554041600).

2251313622 is an abundant number, since it is smaller than the sum of its proper divisors (2856769578).

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

2251313622 is a wasteful number, since it uses less digits than its factorization.

2251313622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2892 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2251313622 is about 47448.0096737471. The cubic root of 2251313622 is about 1310.6256596074.

The spelling of 2251313622 in words is "two billion, two hundred fifty-one million, three hundred thirteen thousand, six hundred twenty-two".