387052222 has 8 divisors (see below), whose sum is σ = 581477616. Its totient is φ = 193226352.

The previous prime is 387052217. The next prime is 387052247. The reversal of 387052222 is 222250783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148263 + ... + 150850.

It is an arithmetic number, because the mean of its divisors is an integer number (72684702).

Almost surely, 2^387052222 is an apocalyptic number.

387052222 is a deficient number, since it is larger than the sum of its proper divisors (194425394).

387052222 is a wasteful number, since it uses less digits than its factorization.

387052222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299762.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 387052222 is about 19673.6428248558. The cubic root of 387052222 is about 728.7689403286.

The spelling of 387052222 in words is "three hundred eighty-seven million, fifty-two thousand, two hundred twenty-two".