222101002 has 4 divisors (see below), whose sum is σ = 333151506. Its totient is φ = 111050500.

The previous prime is 222100999. The next prime is 222101003. The reversal of 222101002 is 200101222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160807761 + 61293241 = 12681^2 + 7829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222101002.

It is not an unprimeable number, because it can be changed into a prime (222101003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55525249 + ... + 55525252.

Almost surely, 2^222101002 is an apocalyptic number.

222101002 is a deficient number, since it is larger than the sum of its proper divisors (111050504).

222101002 is a wasteful number, since it uses less digits than its factorization.

222101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050503.

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

The square root of 222101002 is about 14903.0534455191. The cubic root of 222101002 is about 605.5967083642.

Adding to 222101002 its reverse (200101222), we get a palindrome (422202224).

The spelling of 222101002 in words is "two hundred twenty-two million, one hundred one thousand, two".