38222031 has 4 divisors (see below), whose sum is σ = 50962712. Its totient is φ = 25481352.

The previous prime is 38222027. The next prime is 38222059. The reversal of 38222031 is 13022283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13022283 = 3 ⋅4340761.

It is not a de Polignac number, because 38222031 - 2² = 38222027 is a prime.

It is a super-2 number, since 2×38222031² = 2921847307529922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38221989 and 38222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38222011) 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, 6370336 + ... + 6370341.

It is an arithmetic number, because the mean of its divisors is an integer number (12740678).

Almost surely, 2^38222031 is an apocalyptic number.

38222031 is a deficient number, since it is larger than the sum of its proper divisors (12740681).

38222031 is a wasteful number, since it uses less digits than its factorization.

38222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740680.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 38222031 is about 6182.3968652942. The cubic root of 38222031 is about 336.8510614005.

The spelling of 38222031 in words is "thirty-eight million, two hundred twenty-two thousand, thirty-one".