1222553235 has 32 divisors (see below), whose sum is σ = 1971560448. Its totient is φ = 646894080.

The previous prime is 1222553197. The next prime is 1222553239. The reversal of 1222553235 is 5323552221.

It is not a de Polignac number, because 1222553235 - 2¹⁰ = 1222552211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222553239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384104 + ... + 1384986.

It is an arithmetic number, because the mean of its divisors is an integer number (61611264).

Almost surely, 2^1222553235 is an apocalyptic number.

1222553235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222553235 is a deficient number, since it is larger than the sum of its proper divisors (749007213).

1222553235 is a wasteful number, since it uses less digits than its factorization.

1222553235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its digits is 18000, while the sum is 30.

The square root of 1222553235 is about 34965.0287430169. The cubic root of 1222553235 is about 1069.2746226362.

The spelling of 1222553235 in words is "one billion, two hundred twenty-two million, five hundred fifty-three thousand, two hundred thirty-five".