222987226 has 16 divisors (see below), whose sum is σ = 417015360. Its totient is φ = 86878080.

The previous prime is 222987203. The next prime is 222987241. The reversal of 222987226 is 622789222.

222987226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723831 + ... + 724138.

It is an arithmetic number, because the mean of its divisors is an integer number (26063460).

Almost surely, 2^222987226 is an apocalyptic number.

222987226 is a deficient number, since it is larger than the sum of its proper divisors (194028134).

222987226 is a wasteful number, since it uses less digits than its factorization.

222987226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447989.

The product of its digits is 96768, while the sum is 40.

The square root of 222987226 is about 14932.7568117880. The cubic root of 222987226 is about 606.4011202822.

The spelling of 222987226 in words is "two hundred twenty-two million, nine hundred eighty-seven thousand, two hundred twenty-six".