16387422 has 32 divisors (see below), whose sum is σ = 34877952. Its totient is φ = 5115264.

The previous prime is 16387409. The next prime is 16387433. The reversal of 16387422 is 22478361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35163 + ... + 35625.

It is an arithmetic number, because the mean of its divisors is an integer number (1089936).

Almost surely, 2^16387422 is an apocalyptic number.

16387422 is an abundant number, since it is smaller than the sum of its proper divisors (18490530).

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

16387422 is a wasteful number, since it uses less digits than its factorization.

16387422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 16128, while the sum is 33.

The square root of 16387422 is about 4048.1380905300. The cubic root of 16387422 is about 254.0018496569.

The spelling of 16387422 in words is "sixteen million, three hundred eighty-seven thousand, four hundred twenty-two".