2253221240 has 32 divisors (see below), whose sum is σ = 5073354000. Its totient is φ = 900647424.

The previous prime is 2253221237. The next prime is 2253221263. The reversal of 2253221240 is 421223522.

2253221240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39056 + ... + 77664.

Almost surely, 2^2253221240 is an apocalyptic number.

2253221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2253221240 is an abundant number, since it is smaller than the sum of its proper divisors (2820132760).

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

2253221240 is a wasteful number, since it uses less digits than its factorization.

2253221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40079 (or 40075 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2253221240 is about 47468.1076092148. The cubic root of 2253221240 is about 1310.9957349930.

Adding to 2253221240 its reverse (421223522), we get a palindrome (2674444762).

The spelling of 2253221240 in words is "two billion, two hundred fifty-three million, two hundred twenty-one thousand, two hundred forty".