1222134253 has 4 divisors (see below), whose sum is σ = 1223159868. Its totient is φ = 1221108640.

The previous prime is 1222134241. The next prime is 1222134257. The reversal of 1222134253 is 3524312221.

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 744362089 + 477772164 = 27283^2 + 21858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222134253 - 2⁹ = 1222133741 is a prime.

It is a super-2 number, since 2×1222134253² = 2987224264711736018, 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 (1222134257) 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, 511018 + ... + 513403.

It is an arithmetic number, because the mean of its divisors is an integer number (305789967).

Almost surely, 2^1222134253 is an apocalyptic number.

It is an amenable number.

1222134253 is a deficient number, since it is larger than the sum of its proper divisors (1025615).

1222134253 is a wasteful number, since it uses less digits than its factorization.

1222134253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025614.

The product of its digits is 2880, while the sum is 25.

The square root of 1222134253 is about 34959.0367859299. The cubic root of 1222134253 is about 1069.1524580831.

Adding to 1222134253 its reverse (3524312221), we get a palindrome (4746446474).

The spelling of 1222134253 in words is "one billion, two hundred twenty-two million, one hundred thirty-four thousand, two hundred fifty-three".