222001210 has 32 divisors (see below), whose sum is σ = 410406912. Its totient is φ = 86421120.

The previous prime is 222001201. The next prime is 222001223. The reversal of 222001210 is 12100222.

It is a super-4 number, since 4×222001210⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 88534 + ... + 91006.

It is an arithmetic number, because the mean of its divisors is an integer number (12825216).

Almost surely, 2^222001210 is an apocalyptic number.

222001210 is a deficient number, since it is larger than the sum of its proper divisors (188405702).

222001210 is a wasteful number, since it uses less digits than its factorization.

222001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 222001210 is about 14899.7050306374. The cubic root of 222001210 is about 605.5059947406.

Adding to 222001210 its reverse (12100222), we get a palindrome (234101432).

The spelling of 222001210 in words is "two hundred twenty-two million, one thousand, two hundred ten".