222982905 has 16 divisors (see below), whose sum is σ = 366416064. Its totient is φ = 115709760.

The previous prime is 222982891. The next prime is 222982913. The reversal of 222982905 is 509289222.

It is not a de Polignac number, because 222982905 - 2⁹ = 222982393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200331 + ... + 201440.

It is an arithmetic number, because the mean of its divisors is an integer number (22901004).

Almost surely, 2^222982905 is an apocalyptic number.

It is an amenable number.

222982905 is a deficient number, since it is larger than the sum of its proper divisors (143433159).

222982905 is a wasteful number, since it uses less digits than its factorization.

222982905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401816.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 222982905 is about 14932.6121291621. The cubic root of 222982905 is about 606.3972033520.

The spelling of 222982905 in words is "two hundred twenty-two million, nine hundred eighty-two thousand, nine hundred five".