2251771522 has 48 divisors (see below), whose sum is σ = 4569437376. Its totient is φ = 809820000.

The previous prime is 2251771471. The next prime is 2251771541.

2251771522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29104 + ... + 73147.

It is an arithmetic number, because the mean of its divisors is an integer number (95196612).

Almost surely, 2^2251771522 is an apocalyptic number.

2251771522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2251771522 is an abundant number, since it is smaller than the sum of its proper divisors (2317665854).

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

2251771522 is a wasteful number, since it uses less digits than its factorization.

2251771522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102295 (or 102284 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 2251771522 is about 47452.8347098464. The cubic root of 2251771522 is about 1310.7145106676.

The spelling of 2251771522 in words is "two billion, two hundred fifty-one million, seven hundred seventy-one thousand, five hundred twenty-two".