1222552455 has 8 divisors (see below), whose sum is σ = 1956083952. Its totient is φ = 652027968.

The previous prime is 1222552451. The next prime is 1222552481. The reversal of 1222552455 is 5542552221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222552455 - 2² = 1222552451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222552451) 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 7 ways as a sum of consecutive naturals, for example, 40751734 + ... + 40751763.

It is an arithmetic number, because the mean of its divisors is an integer number (244510494).

Almost surely, 2^1222552455 is an apocalyptic number.

1222552455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222552455 is a deficient number, since it is larger than the sum of its proper divisors (733531497).

1222552455 is an equidigital number, since it uses as much as digits as its factorization.

1222552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81503505.

The product of its digits is 40000, while the sum is 33.

The square root of 1222552455 is about 34965.0175890132. The cubic root of 1222552455 is about 1069.2743952339.

The spelling of 1222552455 in words is "one billion, two hundred twenty-two million, five hundred fifty-two thousand, four hundred fifty-five".