387222 has 16 divisors (see below), whose sum is σ = 844992. Its totient is φ = 117320.

The previous prime is 387203. The next prime is 387227. The reversal of 387222 is 222783.

It is a junction number, because it is equal to n+sod(n) for n = 387192 and 387201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 387222.

It is not an unprimeable number, because it can be changed into a prime (387227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2868 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (52812).

2³⁸⁷²²² is an apocalyptic number.

387222 is an abundant number, since it is smaller than the sum of its proper divisors (457770).

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

387222 is a wasteful number, since it uses less digits than its factorization.

387222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883.

The product of its digits is 1344, while the sum is 24.

The square root of 387222 is about 622.2716448626. The cubic root of 387222 is about 72.8875481375.

It can be divided in two parts, 3872 and 22, that multiplied together give a cube (85184 = 44³).

The spelling of 387222 in words is "three hundred eighty-seven thousand, two hundred twenty-two".