222960287 has 24 divisors (see below), whose sum is σ = 262171728. Its totient is φ = 188798720.

The previous prime is 222960281. The next prime is 222960299. The reversal of 222960287 is 782069222.

It is not a de Polignac number, because 222960287 - 2¹⁶ = 222894751 is a prime.

It is a super-2 number, since 2×222960287² = 99422579158244738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222960287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222960281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219593 + ... + 220605.

It is an arithmetic number, because the mean of its divisors is an integer number (10923822).

Almost surely, 2^222960287 is an apocalyptic number.

222960287 is a deficient number, since it is larger than the sum of its proper divisors (39211441).

222960287 is a wasteful number, since it uses less digits than its factorization.

222960287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 222960287 is about 14931.8547742737. The cubic root of 222960287 is about 606.3766996043.

The spelling of 222960287 in words is "two hundred twenty-two million, nine hundred sixty thousand, two hundred eighty-seven".