388222488 has 24 divisors (see below), whose sum is σ = 1051436100. Its totient is φ = 129407472.

The previous prime is 388222477. The next prime is 388222493. The reversal of 388222488 is 884222883.

It is a happy number.

388222488 is a `hidden beast` number, since 388 + 22 + 248 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2695918 + ... + 2696061.

Almost surely, 2^388222488 is an apocalyptic number.

It is an amenable number.

388222488 is an abundant number, since it is smaller than the sum of its proper divisors (663213612).

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

388222488 is a wasteful number, since it uses less digits than its factorization.

388222488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391991 (or 5391984 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 388222488 is about 19703.3623526544. The cubic root of 388222488 is about 729.5026874916.

The spelling of 388222488 in words is "three hundred eighty-eight million, two hundred twenty-two thousand, four hundred eighty-eight".