38022428 has 6 divisors (see below), whose sum is σ = 66539256. Its totient is φ = 19011212.

The previous prime is 38022409. The next prime is 38022443. The reversal of 38022428 is 82422083.

It is a self number, because there is not a number n which added to its sum of digits gives 38022428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4752800 + ... + 4752807.

It is an arithmetic number, because the mean of its divisors is an integer number (11089876).

Almost surely, 2^38022428 is an apocalyptic number.

It is an amenable number.

38022428 is a deficient number, since it is larger than the sum of its proper divisors (28516828).

38022428 is a wasteful number, since it uses less digits than its factorization.

38022428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505611 (or 9505609 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 38022428 is about 6166.2328856442. The cubic root of 38022428 is about 336.2636701140.

The spelling of 38022428 in words is "thirty-eight million, twenty-two thousand, four hundred twenty-eight".