222742253 has 4 divisors (see below), whose sum is σ = 222802848. Its totient is φ = 222681660.

The previous prime is 222742241. The next prime is 222742283. The reversal of 222742253 is 352247222.

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 a de Polignac number, because none of the positive numbers 2^k-222742253 is a prime.

It is a super-2 number, since 2×222742253² = 99228222543032018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222742213) 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, 24401 + ... + 32262.

It is an arithmetic number, because the mean of its divisors is an integer number (55700712).

Almost surely, 2^222742253 is an apocalyptic number.

It is an amenable number.

222742253 is a deficient number, since it is larger than the sum of its proper divisors (60595).

222742253 is an equidigital number, since it uses as much as digits as its factorization.

222742253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60594.

The product of its digits is 13440, while the sum is 29.

The square root of 222742253 is about 14924.5520200775. The cubic root of 222742253 is about 606.1789755177.

Adding to 222742253 its reverse (352247222), we get a palindrome (574989475).

The spelling of 222742253 in words is "two hundred twenty-two million, seven hundred forty-two thousand, two hundred fifty-three".