38022399 has 16 divisors (see below), whose sum is σ = 58147840. Its totient is φ = 24530040.

The previous prime is 38022371. The next prime is 38022409. The reversal of 38022399 is 99322083.

It is not a de Polignac number, because 38022399 - 2⁵ = 38022367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38022499) 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, 21877 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (3634240).

Almost surely, 2^38022399 is an apocalyptic number.

38022399 is a deficient number, since it is larger than the sum of its proper divisors (20125441).

38022399 is a wasteful number, since it uses less digits than its factorization.

38022399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45467 (or 45461 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 38022399 is about 6166.2305341270. The cubic root of 38022399 is about 336.2635846237.

The spelling of 38022399 in words is "thirty-eight million, twenty-two thousand, three hundred ninety-nine".