38220722 has 16 divisors (see below), whose sum is σ = 58877280. Its totient is φ = 18598272.

The previous prime is 38220713. The next prime is 38220727. The reversal of 38220722 is 22702283.

38220722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38220691 and 38220700.

It is not an unprimeable number, because it can be changed into a prime (38220727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29729 + ... + 30987.

It is an arithmetic number, because the mean of its divisors is an integer number (3679830).

Almost surely, 2^38220722 is an apocalyptic number.

38220722 is a deficient number, since it is larger than the sum of its proper divisors (20656558).

38220722 is a wasteful number, since it uses less digits than its factorization.

38220722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 38220722 is about 6182.2909992979. The cubic root of 38220722 is about 336.8472159475.

The spelling of 38220722 in words is "thirty-eight million, two hundred twenty thousand, seven hundred twenty-two".