2251001522 has 32 divisors (see below), whose sum is σ = 4220881920. Its totient is φ = 874676880.

The previous prime is 2251001521. The next prime is 2251001549.

It is a happy number.

2251001522 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2251001494 and 2251001503.

It is not an unprimeable number, because it can be changed into a prime (2251001521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39083 + ... + 77649.

It is an arithmetic number, because the mean of its divisors is an integer number (131902560).

Almost surely, 2^2251001522 is an apocalyptic number.

2251001522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2251001522 is a deficient number, since it is larger than the sum of its proper divisors (1969880398).

2251001522 is a wasteful number, since it uses less digits than its factorization.

2251001522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38966.

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

The square root of 2251001522 is about 47444.7206968278. The cubic root of 2251001522 is about 1310.5650927206.

It can be divided in two parts, 225100 and 1522, that added together give a palindrome (226622).

The spelling of 2251001522 in words is "two billion, two hundred fifty-one million, one thousand, five hundred twenty-two".