222900489 has 12 divisors (see below), whose sum is σ = 367962816. Its totient is φ = 127371672.

The previous prime is 222900487. The next prime is 222900493. The reversal of 222900489 is 984009222.

It is not a de Polignac number, because 222900489 - 2¹ = 222900487 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (222900487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1768989 + ... + 1769114.

It is an arithmetic number, because the mean of its divisors is an integer number (30663568).

Almost surely, 2^222900489 is an apocalyptic number.

It is an amenable number.

222900489 is a deficient number, since it is larger than the sum of its proper divisors (145062327).

222900489 is a wasteful number, since it uses less digits than its factorization.

222900489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538116 (or 3538113 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 222900489 is about 14929.8522765632. The cubic root of 222900489 is about 606.3224846340.

The spelling of 222900489 in words is "two hundred twenty-two million, nine hundred thousand, four hundred eighty-nine".