222220153 has 4 divisors (see below), whose sum is σ = 224258980. Its totient is φ = 220181328.

The previous prime is 222220111. The next prime is 222220177. The reversal of 222220153 is 351022222.

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 169338169 + 52881984 = 13013^2 + 7272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222220153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222220153.

It is not an unprimeable number, because it can be changed into a prime (222220253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019250 + ... + 1019467.

It is an arithmetic number, because the mean of its divisors is an integer number (56064745).

Almost surely, 2^222220153 is an apocalyptic number.

It is an amenable number.

222220153 is a deficient number, since it is larger than the sum of its proper divisors (2038827).

222220153 is a wasteful number, since it uses less digits than its factorization.

222220153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038826.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222220153 is about 14907.0504460138. The cubic root of 222220153 is about 605.7049842584.

Adding to 222220153 its reverse (351022222), we get a palindrome (573242375).

The spelling of 222220153 in words is "two hundred twenty-two million, two hundred twenty thousand, one hundred fifty-three".