2213054778252 has 48 divisors (see below), whose sum is σ = 5171093383680. Its totient is φ = 736642915008.

The previous prime is 2213054778227. The next prime is 2213054778343. The reversal of 2213054778252 is 2528774503122.

It is a super-2 number, since 2×2213054778252² (a number of 25 digits) contains 22 as substring.

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, 26614413 + ... + 26697435.

It is an arithmetic number, because the mean of its divisors is an integer number (107731112160).

Almost surely, 2^{2213054778252} is an apocalyptic number.

It is an amenable number.

2213054778252 is an abundant number, since it is smaller than the sum of its proper divisors (2958038605428).

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

2213054778252 is a wasteful number, since it uses less digits than its factorization.

2213054778252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86142 (or 86140 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 2213054778252 in words is "two trillion, two hundred thirteen billion, fifty-four million, seven hundred seventy-eight thousand, two hundred fifty-two".