2245999872852 has 30 divisors (see below), whose sum is σ = 5871487322778. Its totient is φ = 748666624176.

The previous prime is 2245999872847. The next prime is 2245999872943. The reversal of 2245999872852 is 2582789995422.

2245999872852 is a `hidden beast` number, since 2 + 2 + 4 + 599 + 9 + 8 + 7 + 28 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2123769923856 + 122229948996 = 1457316^2 + 349614^2 .

It is a super-2 number, since 2×2245999872852² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3466048863 + ... + 3466049510.

Almost surely, 2^{2245999872852} is an apocalyptic number.

It is an amenable number.

2245999872852 is an abundant number, since it is smaller than the sum of its proper divisors (3625487449926).

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

2245999872852 is a wasteful number, since it uses less digits than its factorization.

2245999872852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932098389 (or 6932098378 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 2245999872852 in words is "two trillion, two hundred forty-five billion, nine hundred ninety-nine million, eight hundred seventy-two thousand, eight hundred fifty-two".