220142266 has 8 divisors (see below), whose sum is σ = 337239360. Its totient is φ = 107729148.

The previous prime is 220142203. The next prime is 220142287. The reversal of 220142266 is 662241022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220142266² = 96925234559229512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220142266.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170876 + ... + 1171063.

It is an arithmetic number, because the mean of its divisors is an integer number (42154920).

Almost surely, 2^220142266 is an apocalyptic number.

220142266 is a deficient number, since it is larger than the sum of its proper divisors (117097094).

220142266 is a wasteful number, since it uses less digits than its factorization.

220142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341988.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 220142266 is about 14837.1919850085. The cubic root of 220142266 is about 603.8111718400.

Adding to 220142266 its reverse (662241022), we get a palindrome (882383288).

The spelling of 220142266 in words is "two hundred twenty million, one hundred forty-two thousand, two hundred sixty-six".