38222313 has 16 divisors (see below), whose sum is σ = 52468416. Its totient is φ = 24736320.

The previous prime is 38222309. The next prime is 38222321. The reversal of 38222313 is 31322283.

It is not a de Polignac number, because 38222313 - 2² = 38222309 is a prime.

It is a super-2 number, since 2×38222313² = 2921890422139938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38222713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22531 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^38222313 is an apocalyptic number.

It is an amenable number.

38222313 is a deficient number, since it is larger than the sum of its proper divisors (14246103).

38222313 is a wasteful number, since it uses less digits than its factorization.

38222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its digits is 1728, while the sum is 24.

The square root of 38222313 is about 6182.4196719408. The cubic root of 38222313 is about 336.8518898212.

Adding to 38222313 its reverse (31322283), we get a palindrome (69544596).

The spelling of 38222313 in words is "thirty-eight million, two hundred twenty-two thousand, three hundred thirteen".