1222553115 has 64 divisors (see below), whose sum is σ = 2494771200. Its totient is φ = 556440192.

The previous prime is 1222553093. The next prime is 1222553141. The reversal of 1222553115 is 5113552221.

1222553115 is a `hidden beast` number, since 122 + 2 + 5 + 531 + 1 + 5 = 666.

It is not a de Polignac number, because 1222553115 - 2²⁷ = 1088335387 is a prime.

It is a super-2 number, since 2×1222553115² = 2989272237992406450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 223149 + ... + 228561.

It is an arithmetic number, because the mean of its divisors is an integer number (38980800).

Almost surely, 2^1222553115 is an apocalyptic number.

1222553115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222553115 is an abundant number, since it is smaller than the sum of its proper divisors (1272218085).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222553115 is a wasteful number, since it uses less digits than its factorization.

1222553115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673 (or 5667 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1222553115 is about 34965.0270270166. The cubic root of 1222553115 is about 1069.2745876512.

The spelling of 1222553115 in words is "one billion, two hundred twenty-two million, five hundred fifty-three thousand, one hundred fifteen".