38154228 has 48 divisors (see below), whose sum is σ = 102076800. Its totient is φ = 10865664.

The previous prime is 38154197. The next prime is 38154241. The reversal of 38154228 is 82245183.

It is a super-2 number, since 2×38154228² = 2911490228551968, 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 15 ways as a sum of consecutive naturals, for example, 35848 + ... + 36896.

It is an arithmetic number, because the mean of its divisors is an integer number (2126600).

Almost surely, 2^38154228 is an apocalyptic number.

It is an amenable number.

38154228 is an abundant number, since it is smaller than the sum of its proper divisors (63922572).

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

38154228 is a wasteful number, since it uses less digits than its factorization.

38154228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1494 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 38154228 is about 6176.9108784246. The cubic root of 38154228 is about 336.6517607142.

The spelling of 38154228 in words is "thirty-eight million, one hundred fifty-four thousand, two hundred twenty-eight".