228607620 has 96 divisors (see below), whose sum is σ = 679526400. Its totient is φ = 57262464.

The previous prime is 228607591. The next prime is 228607633. The reversal of 228607620 is 26706822.

228607620 = T₄₈₉₆ + T₄₈₉₇ + ... + T₄₉₁₄.

228607620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228607620² = 104522887844128800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143991 + ... + 145569.

It is an arithmetic number, because the mean of its divisors is an integer number (7078400).

Almost surely, 2^228607620 is an apocalyptic number.

228607620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228607620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339763200).

228607620 is an abundant number, since it is smaller than the sum of its proper divisors (450918780).

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

228607620 is a wasteful number, since it uses less digits than its factorization.

228607620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 228607620 is about 15119.7757919885. The cubic root of 228607620 is about 611.4536860756.

The spelling of 228607620 in words is "two hundred twenty-eight million, six hundred seven thousand, six hundred twenty".