2625658228 has 24 divisors (see below), whose sum is σ = 4867317000. Its totient is φ = 1235063808.

The previous prime is 2625658207. The next prime is 2625658229. The reversal of 2625658228 is 8228565262.

It can be written as a sum of positive squares in 4 ways, for example, as 2092879504 + 532778724 = 45748^2 + 23082^2 .

It is a super-2 number, since 2×2625658228² = 13788162260528199968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625658229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178498 + ... + 192646.

It is an arithmetic number, because the mean of its divisors is an integer number (202804875).

Almost surely, 2^2625658228 is an apocalyptic number.

It is an amenable number.

2625658228 is a deficient number, since it is larger than the sum of its proper divisors (2241658772).

2625658228 is a wasteful number, since it uses less digits than its factorization.

2625658228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899 (or 16897 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 2625658228 is about 51241.1770746926. The cubic root of 2625658228 is about 1379.5773802143.

The spelling of 2625658228 in words is "two billion, six hundred twenty-five million, six hundred fifty-eight thousand, two hundred twenty-eight".