2252213645 has 16 divisors (see below), whose sum is σ = 2977551360. Its totient is φ = 1621752000.

The previous prime is 2252213629. The next prime is 2252213651. The reversal of 2252213645 is 5463122522.

It is not a de Polignac number, because 2252213645 - 2⁴ = 2252213629 is a prime.

It is a super-3 number, since 3×2252213645³ (a number of 29 digits) contains 333 as substring.

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, 197165 + ... + 208274.

It is an arithmetic number, because the mean of its divisors is an integer number (186096960).

Almost surely, 2^2252213645 is an apocalyptic number.

It is an amenable number.

2252213645 is a deficient number, since it is larger than the sum of its proper divisors (725337715).

2252213645 is a wasteful number, since it uses less digits than its factorization.

2252213645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405556.

The product of its digits is 28800, while the sum is 32.

The square root of 2252213645 is about 47457.4930332398. The cubic root of 2252213645 is about 1310.8002889246.

The spelling of 2252213645 in words is "two billion, two hundred fifty-two million, two hundred thirteen thousand, six hundred forty-five".