38420222 has 8 divisors (see below), whose sum is σ = 59489472. Its totient is φ = 18590400.

The previous prime is 38420209. The next prime is 38420227. The reversal of 38420222 is 22202483.

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

It is a super-2 number, since 2×38420222² = 2952226917058568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38420227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309779 + ... + 309902.

It is an arithmetic number, because the mean of its divisors is an integer number (7436184).

Almost surely, 2^38420222 is an apocalyptic number.

38420222 is a deficient number, since it is larger than the sum of its proper divisors (21069250).

38420222 is a wasteful number, since it uses less digits than its factorization.

38420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619714.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 38420222 is about 6198.4047947839. The cubic root of 38420222 is about 337.4322775869.

The spelling of 38420222 in words is "thirty-eight million, four hundred twenty thousand, two hundred twenty-two".