388229122 has 4 divisors (see below), whose sum is σ = 582343686. Its totient is φ = 194114560.

The previous prime is 388229057. The next prime is 388229131. The reversal of 388229122 is 221922883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 349652601 + 38576521 = 18699^2 + 6211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97057279 + ... + 97057282.

Almost surely, 2^388229122 is an apocalyptic number.

388229122 is a deficient number, since it is larger than the sum of its proper divisors (194114564).

388229122 is a wasteful number, since it uses less digits than its factorization.

388229122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194114563.

The product of its digits is 27648, while the sum is 37.

The square root of 388229122 is about 19703.5306988367. The cubic root of 388229122 is about 729.5068427491.

The spelling of 388229122 in words is "three hundred eighty-eight million, two hundred twenty-nine thousand, one hundred twenty-two".