38228670 has 96 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 9676800.

The previous prime is 38228657. The next prime is 38228681. The reversal of 38228670 is 7682283.

It is a happy number.

It is a super-2 number, since 2×38228670² = 2922862419937800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253095 + ... + 253245.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^38228670 is an apocalyptic number.

38228670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38228670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52284960).

38228670 is an abundant number, since it is smaller than the sum of its proper divisors (66341250).

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

38228670 is a wasteful number, since it uses less digits than its factorization.

38228670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 38228670 is about 6182.9337696598. The cubic root of 38228670 is about 336.8705634579.

The spelling of 38228670 in words is "thirty-eight million, two hundred twenty-eight thousand, six hundred seventy".