222020390 has 16 divisors (see below), whose sum is σ = 403758432. Its totient is φ = 87892224.

The previous prime is 222020389. The next prime is 222020401. The reversal of 222020390 is 93020222.

222020390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113474 + ... + 115413.

It is an arithmetic number, because the mean of its divisors is an integer number (25234902).

Almost surely, 2^222020390 is an apocalyptic number.

222020390 is a deficient number, since it is larger than the sum of its proper divisors (181738042).

222020390 is a wasteful number, since it uses less digits than its factorization.

222020390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228991.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 222020390 is about 14900.3486536389. The cubic root of 222020390 is about 605.5234319887.

The spelling of 222020390 in words is "two hundred twenty-two million, twenty thousand, three hundred ninety".