2251091622 has 32 divisors (see below), whose sum is σ = 4864349952. Its totient is φ = 690380064.

The previous prime is 2251091603. The next prime is 2251091641. The reversal of 2251091622 is 2261901522.

2251091622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2251091603) and next prime (2251091641).

It is a self number, because there is not a number n which added to its sum of digits gives 2251091622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23058 + ... + 70949.

It is an arithmetic number, because the mean of its divisors is an integer number (152010936).

Almost surely, 2^2251091622 is an apocalyptic number.

2251091622 is an abundant number, since it is smaller than the sum of its proper divisors (2613258330).

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

2251091622 is a wasteful number, since it uses less digits than its factorization.

2251091622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94332.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2251091622 is about 47445.6702134136. The cubic root of 2251091622 is about 1310.5825783210.

The spelling of 2251091622 in words is "two billion, two hundred fifty-one million, ninety-one thousand, six hundred twenty-two".