390065222 has 8 divisors (see below), whose sum is σ = 585224472. Its totient is φ = 194990400.

The previous prime is 390065209. The next prime is 390065233. The reversal of 390065222 is 222560093.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7904 + ... + 29027.

It is an arithmetic number, because the mean of its divisors is an integer number (73153059).

Almost surely, 2^390065222 is an apocalyptic number.

390065222 is a deficient number, since it is larger than the sum of its proper divisors (195159250).

390065222 is a wasteful number, since it uses less digits than its factorization.

390065222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42214.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 390065222 is about 19750.0689112722. The cubic root of 390065222 is about 730.6550834520.

The spelling of 390065222 in words is "three hundred ninety million, sixty-five thousand, two hundred twenty-two".