38220242 has 4 divisors (see below), whose sum is σ = 57330366. Its totient is φ = 19110120.

The previous prime is 38220211. The next prime is 38220251. The reversal of 38220242 is 24202283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24611521 + 13608721 = 4961^2 + 3689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9555059 + ... + 9555062.

Almost surely, 2^38220242 is an apocalyptic number.

38220242 is a deficient number, since it is larger than the sum of its proper divisors (19110124).

38220242 is a wasteful number, since it uses less digits than its factorization.

38220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110123.

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

The square root of 38220242 is about 6182.2521786158. The cubic root of 38220242 is about 336.8458058281.

The spelling of 38220242 in words is "thirty-eight million, two hundred twenty thousand, two hundred forty-two".