390222102 has 16 divisors (see below), whose sum is σ = 789214320. Its totient is φ = 128612352.

The previous prime is 390222101. The next prime is 390222103. The reversal of 390222102 is 201222093.

It is an interprime number because it is at equal distance from previous prime (390222101) and next prime (390222103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390222101) 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, 364843 + ... + 365910.

It is an arithmetic number, because the mean of its divisors is an integer number (49325895).

Almost surely, 2^390222102 is an apocalyptic number.

390222102 is an abundant number, since it is smaller than the sum of its proper divisors (398992218).

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

390222102 is a wasteful number, since it uses less digits than its factorization.

390222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730847.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 390222102 is about 19754.0401437276. The cubic root of 390222102 is about 730.7530241719.

Adding to 390222102 its reverse (201222093), we get a palindrome (591444195).

The spelling of 390222102 in words is "three hundred ninety million, two hundred twenty-two thousand, one hundred two".