222285766445 has 32 divisors (see below), whose sum is σ = 281749238784. Its totient is φ = 168119078400.

The previous prime is 222285766433. The next prime is 222285766459. The reversal of 222285766445 is 544667582222.

It is not a de Polignac number, because 222285766445 - 2¹⁰ = 222285765421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1856030 + ... + 1972160.

It is an arithmetic number, because the mean of its divisors is an integer number (8804663712).

Almost surely, 2^222285766445 is an apocalyptic number.

It is an amenable number.

222285766445 is a deficient number, since it is larger than the sum of its proper divisors (59463472339).

222285766445 is a wasteful number, since it uses less digits than its factorization.

222285766445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116453.

The product of its digits is 12902400, while the sum is 53.

The spelling of 222285766445 in words is "two hundred twenty-two billion, two hundred eighty-five million, seven hundred sixty-six thousand, four hundred forty-five".