358225728 has 224 divisors, whose sum is σ = 1137659904. Its totient is φ = 97363968.

The previous prime is 358225727. The next prime is 358225729. The reversal of 358225728 is 827522853.

It is an interprime number because it is at equal distance from previous prime (358225727) and next prime (358225729).

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×358225728² = 256651344402259968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 358225728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358225723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3347851 + ... + 3347957.

Almost surely, 2^358225728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 358225728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568829952).

358225728 is an abundant number, since it is smaller than the sum of its proper divisors (779434176).

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

358225728 is a wasteful number, since it uses less digits than its factorization.

358225728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 219 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 358225728 is about 18926.8520361945. The cubic root of 358225728 is about 710.2080511759.

The spelling of 358225728 in words is "three hundred fifty-eight million, two hundred twenty-five thousand, seven hundred twenty-eight".