222986331 has 48 divisors (see below), whose sum is σ = 359762400. Its totient is φ = 136500480.

The previous prime is 222986329. The next prime is 222986339. The reversal of 222986331 is 133689222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 222986331 - 2¹ = 222986329 is a prime.

It is a super-2 number, since 2×222986331² = 99445807625683122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222986339) 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, 5438671 + ... + 5438711.

It is an arithmetic number, because the mean of its divisors is an integer number (7495050).

Almost surely, 2^222986331 is an apocalyptic number.

222986331 is a deficient number, since it is larger than the sum of its proper divisors (136776069).

222986331 is an frugal number, since it uses more digits than its factorization.

222986331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 61 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 222986331 is about 14932.7268440831. The cubic root of 222986331 is about 606.4003089805.

The spelling of 222986331 in words is "two hundred twenty-two million, nine hundred eighty-six thousand, three hundred thirty-one".