356637228 has 24 divisors (see below), whose sum is σ = 854645232. Its totient is φ = 115665984.

The previous prime is 356637221. The next prime is 356637233. The reversal of 356637228 is 822736653.

It is a happy number.

It is a super-2 number, since 2×356637228² = 254380224791047968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 356637228.

It is not an unprimeable number, because it can be changed into a prime (356637221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401175 + ... + 402062.

It is an arithmetic number, because the mean of its divisors is an integer number (35610218).

Almost surely, 2^356637228 is an apocalyptic number.

It is an amenable number.

356637228 is an abundant number, since it is smaller than the sum of its proper divisors (498008004).

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

356637228 is a wasteful number, since it uses less digits than its factorization.

356637228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803281 (or 803279 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 356637228 is about 18884.8412225255. The cubic root of 356637228 is about 709.1567241463.

The spelling of 356637228 in words is "three hundred fifty-six million, six hundred thirty-seven thousand, two hundred twenty-eight".