388442622 has 16 divisors (see below), whose sum is σ = 822584592. Its totient is φ = 121864320.

The previous prime is 388442603. The next prime is 388442689. The reversal of 388442622 is 226244883.

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, 1904029 + ... + 1904232.

It is an arithmetic number, because the mean of its divisors is an integer number (51411537).

Almost surely, 2^388442622 is an apocalyptic number.

388442622 is an abundant number, since it is smaller than the sum of its proper divisors (434141970).

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

388442622 is a wasteful number, since it uses less digits than its factorization.

388442622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808283.

The product of its digits is 147456, while the sum is 39.

The square root of 388442622 is about 19708.9477649112. The cubic root of 388442622 is about 729.6405448683.

The spelling of 388442622 in words is "three hundred eighty-eight million, four hundred forty-two thousand, six hundred twenty-two".