1222403115 has 8 divisors (see below), whose sum is σ = 1955845008. Its totient is φ = 651948320.

The previous prime is 1222403111. The next prime is 1222403131. The reversal of 1222403115 is 5113042221.

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

It is not a de Polignac number, because 1222403115 - 2² = 1222403111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222403091 and 1222403100.

It is not an unprimeable number, because it can be changed into a prime (1222403111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40746756 + ... + 40746785.

It is an arithmetic number, because the mean of its divisors is an integer number (244480626).

Almost surely, 2^1222403115 is an apocalyptic number.

1222403115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222403115 is a deficient number, since it is larger than the sum of its proper divisors (733441893).

1222403115 is an equidigital number, since it uses as much as digits as its factorization.

1222403115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81493549.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1222403115 is about 34962.8819607309. The cubic root of 1222403115 is about 1069.2308546506.

Adding to 1222403115 its reverse (5113042221), we get a palindrome (6335445336).

The spelling of 1222403115 in words is "one billion, two hundred twenty-two million, four hundred three thousand, one hundred fifteen".