38233220 has 12 divisors (see below), whose sum is σ = 80289804. Its totient is φ = 15293280.

The previous prime is 38233219. The next prime is 38233253. The reversal of 38233220 is 2233283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 25969216 = 3502^2 + 5096^2 .

It is a super-2 number, since 2×38233220² = 2923558223136800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955811 + ... + 955850.

It is an arithmetic number, because the mean of its divisors is an integer number (6690817).

Almost surely, 2^38233220 is an apocalyptic number.

It is an amenable number.

38233220 is an abundant number, since it is smaller than the sum of its proper divisors (42056584).

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

38233220 is a wasteful number, since it uses less digits than its factorization.

38233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911670 (or 1911668 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 38233220 is about 6183.3017070171. The cubic root of 38233220 is about 336.8839277755.

The spelling of 38233220 in words is "thirty-eight million, two hundred thirty-three thousand, two hundred twenty".