228013770 has 16 divisors (see below), whose sum is σ = 547233120. Its totient is φ = 60803664.

The previous prime is 228013763. The next prime is 228013777. The reversal of 228013770 is 77310822.

It is an interprime number because it is at equal distance from previous prime (228013763) and next prime (228013777).

It is a super-2 number, since 2×228013770² = 103980558619225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7600459 = 228013770 / (2 + 2 + 8 + 0 + 1 + 3 + 7 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (228013777) 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, 3800200 + ... + 3800259.

It is an arithmetic number, because the mean of its divisors is an integer number (34202070).

Almost surely, 2^228013770 is an apocalyptic number.

228013770 is an abundant number, since it is smaller than the sum of its proper divisors (319219350).

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

228013770 is a wasteful number, since it uses less digits than its factorization.

228013770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600469.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 228013770 is about 15100.1248339211. The cubic root of 228013770 is about 610.9237727940.

The spelling of 228013770 in words is "two hundred twenty-eight million, thirteen thousand, seven hundred seventy".