222661230 has 32 divisors (see below), whose sum is σ = 582968448. Its totient is φ = 53978400.

The previous prime is 222661199. The next prime is 222661249. The reversal of 222661230 is 32166222.

222661230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222661230² = 99156046690225800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222661230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337036 + ... + 337695.

It is an arithmetic number, because the mean of its divisors is an integer number (18217764).

Almost surely, 2^222661230 is an apocalyptic number.

222661230 is an abundant number, since it is smaller than the sum of its proper divisors (360307218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222661230 is a wasteful number, since it uses less digits than its factorization.

222661230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674752.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 222661230 is about 14921.8373533557. The cubic root of 222661230 is about 606.1054669447.

The spelling of 222661230 in words is "two hundred twenty-two million, six hundred sixty-one thousand, two hundred thirty".