222345553 has 4 divisors (see below), whose sum is σ = 222400000. Its totient is φ = 222291108.

The previous prime is 222345551. The next prime is 222345559. The reversal of 222345553 is 355543222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222345553 - 2¹ = 222345551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222345551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20553 + ... + 29446.

It is an arithmetic number, because the mean of its divisors is an integer number (55600000).

Almost surely, 2^222345553 is an apocalyptic number.

It is an amenable number.

222345553 is a deficient number, since it is larger than the sum of its proper divisors (54447).

222345553 is an equidigital number, since it uses as much as digits as its factorization.

222345553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54446.

The product of its digits is 36000, while the sum is 31.

The square root of 222345553 is about 14911.2559162533. The cubic root of 222345553 is about 605.8188970023.

Adding to 222345553 its reverse (355543222), we get a palindrome (577888775).

The spelling of 222345553 in words is "two hundred twenty-two million, three hundred forty-five thousand, five hundred fifty-three".