2277228252 has 48 divisors (see below), whose sum is σ = 5971069440. Its totient is φ = 670219968.

The previous prime is 2277228221. The next prime is 2277228253. The reversal of 2277228252 is 2528227722.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2277228252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277228253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313752 + ... + 320927.

It is an arithmetic number, because the mean of its divisors is an integer number (124397280).

Almost surely, 2^2277228252 is an apocalyptic number.

It is an amenable number.

2277228252 is an abundant number, since it is smaller than the sum of its proper divisors (3693841188).

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

2277228252 is a wasteful number, since it uses less digits than its factorization.

2277228252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634722 (or 634720 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 2277228252 is about 47720.3127818752. The cubic root of 2277228252 is about 1315.6353105129.

The spelling of 2277228252 in words is "two billion, two hundred seventy-seven million, two hundred twenty-eight thousand, two hundred fifty-two".