38406822 has 16 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 12748232.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406822 is 22860483.

It is a super-2 number, since 2×38406822² = 2950167952279368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11958 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^38406822 is an apocalyptic number.

38406822 is an abundant number, since it is smaller than the sum of its proper divisors (38731098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38406822 is a wasteful number, since it uses less digits than its factorization.

38406822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27027.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 38406822 is about 6197.3237772445. The cubic root of 38406822 is about 337.3930437490.

The spelling of 38406822 in words is "thirty-eight million, four hundred six thousand, eight hundred twenty-two".