2251224221522 has 16 divisors (see below), whose sum is σ = 3459271469472. Its totient is φ = 1098134894880.

The previous prime is 2251224221447. The next prime is 2251224221537.

It is a happy number.

2251224221522 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×2251224221522³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984953 + ... + 4514675.

It is an arithmetic number, because the mean of its divisors is an integer number (216204466842).

Almost surely, 2^{2251224221522} is an apocalyptic number.

2251224221522 is a deficient number, since it is larger than the sum of its proper divisors (1208047247950).

2251224221522 is a wasteful number, since it uses less digits than its factorization.

2251224221522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581593.

The product of its digits is 25600, while the sum is 32.

The spelling of 2251224221522 in words is "two trillion, two hundred fifty-one billion, two hundred twenty-four million, two hundred twenty-one thousand, five hundred twenty-two".