38722222 has 16 divisors (see below), whose sum is σ = 72415872. Its totient is φ = 15086520.

The previous prime is 38722207. The next prime is 38722237. The reversal of 38722222 is 22222783.

It is an interprime number because it is at equal distance from previous prime (38722207) and next prime (38722237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125568 + ... + 125875.

It is an arithmetic number, because the mean of its divisors is an integer number (4525992).

Almost surely, 2^38722222 is an apocalyptic number.

38722222 is a deficient number, since it is larger than the sum of its proper divisors (33693650).

38722222 is a wasteful number, since it uses less digits than its factorization.

38722222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251463.

The product of its digits is 5376, while the sum is 28.

The square root of 38722222 is about 6222.7182163424. The cubic root of 38722222 is about 338.3140936156.

The spelling of 38722222 in words is "thirty-eight million, seven hundred twenty-two thousand, two hundred twenty-two".