1222553135 has 4 divisors (see below), whose sum is σ = 1467063768. Its totient is φ = 978042504.

The previous prime is 1222553093. The next prime is 1222553141. The reversal of 1222553135 is 5313552221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222553135 - 2²⁸ = 954117679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222553098 and 1222553107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122255309 + ... + 122255318.

It is an arithmetic number, because the mean of its divisors is an integer number (366765942).

Almost surely, 2^1222553135 is an apocalyptic number.

1222553135 is a deficient number, since it is larger than the sum of its proper divisors (244510633).

1222553135 is an equidigital number, since it uses as much as digits as its factorization.

1222553135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244510632.

The product of its digits is 9000, while the sum is 29.

The square root of 1222553135 is about 34965.0273130166. The cubic root of 1222553135 is about 1069.2745934821.

The spelling of 1222553135 in words is "one billion, two hundred twenty-two million, five hundred fifty-three thousand, one hundred thirty-five".