222012653 has 4 divisors (see below), whose sum is σ = 222121020. Its totient is φ = 221904288.

The previous prime is 222012649. The next prime is 222012671. The reversal of 222012653 is 356210222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 214974244 + 7038409 = 14662^2 + 2653^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012653 - 2² = 222012649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222018653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51050 + ... + 55227.

It is an arithmetic number, because the mean of its divisors is an integer number (55530255).

Almost surely, 2^222012653 is an apocalyptic number.

It is an amenable number.

222012653 is a deficient number, since it is larger than the sum of its proper divisors (108367).

222012653 is a wasteful number, since it uses less digits than its factorization.

222012653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108366.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 222012653 is about 14900.0890265797. The cubic root of 222012653 is about 605.5163981164.

Adding to 222012653 its reverse (356210222), we get a palindrome (578222875).

The spelling of 222012653 in words is "two hundred twenty-two million, twelve thousand, six hundred fifty-three".