222309045 has 48 divisors (see below), whose sum is σ = 442465920. Its totient is φ = 101146752.

The previous prime is 222309001. The next prime is 222309047. The reversal of 222309045 is 540903222.

It is not a de Polignac number, because 222309045 - 2⁶ = 222308981 is a prime.

It is a super-2 number, since 2×222309045² = 98842622977624050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222309047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69951 + ... + 73059.

It is an arithmetic number, because the mean of its divisors is an integer number (9218040).

Almost surely, 2^222309045 is an apocalyptic number.

It is an amenable number.

222309045 is a deficient number, since it is larger than the sum of its proper divisors (220156875).

222309045 is a wasteful number, since it uses less digits than its factorization.

222309045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 222309045 is about 14910.0316901072. The cubic root of 222309045 is about 605.7857377350.

The spelling of 222309045 in words is "two hundred twenty-two million, three hundred nine thousand, forty-five".