2122551132 has 48 divisors (see below), whose sum is σ = 5353377792. Its totient is φ = 650669760.

The previous prime is 2122551107. The next prime is 2122551149. The reversal of 2122551132 is 2311552212.

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, 17173 + ... + 67379.

It is an arithmetic number, because the mean of its divisors is an integer number (111528704).

Almost surely, 2^2122551132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122551132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2676688896).

2122551132 is an abundant number, since it is smaller than the sum of its proper divisors (3230826660).

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

2122551132 is a wasteful number, since it uses less digits than its factorization.

2122551132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50498 (or 50496 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 2122551132 is about 46071.1529267502. The cubic root of 2122551132 is about 1285.1467443834.

The spelling of 2122551132 in words is "two billion, one hundred twenty-two million, five hundred fifty-one thousand, one hundred thirty-two".