1222315455 has 8 divisors (see below), whose sum is σ = 1955704752. Its totient is φ = 651901568.

The previous prime is 1222315441. The next prime is 1222315477. The reversal of 1222315455 is 5545132221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222315455 - 2⁴ = 1222315439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40743834 + ... + 40743863.

It is an arithmetic number, because the mean of its divisors is an integer number (244463094).

Almost surely, 2^1222315455 is an apocalyptic number.

1222315455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222315455 is a deficient number, since it is larger than the sum of its proper divisors (733389297).

1222315455 is an equidigital number, since it uses as much as digits as its factorization.

1222315455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81487705.

The product of its digits is 12000, while the sum is 30.

The square root of 1222315455 is about 34961.6283230630. The cubic root of 1222315455 is about 1069.2052954288.

Adding to 1222315455 its reverse (5545132221), we get a palindrome (6767447676).

The spelling of 1222315455 in words is "one billion, two hundred twenty-two million, three hundred fifteen thousand, four hundred fifty-five".