38220222 has 8 divisors (see below), whose sum is σ = 76440456. Its totient is φ = 12740072.

The previous prime is 38220211. The next prime is 38220251. The reversal of 38220222 is 22202283.

It is a sphenic number, since it is the product of 3 distinct primes.

38220222 is an admirable number.

It is a congruent number.

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, 3185013 + ... + 3185024.

It is an arithmetic number, because the mean of its divisors is an integer number (9555057).

Almost surely, 2^38220222 is an apocalyptic number.

38220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38220222 is a wasteful number, since it uses less digits than its factorization.

38220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370042.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 38220222 is about 6182.2505610821. The cubic root of 38220222 is about 336.8457470729.

The spelling of 38220222 in words is "thirty-eight million, two hundred twenty thousand, two hundred twenty-two".