1214311225 has 12 divisors (see below), whose sum is σ = 1526955840. Its totient is φ = 957765200.

The previous prime is 1214311213. The next prime is 1214311247. The reversal of 1214311225 is 5221134121.

It is not a de Polignac number, because 1214311225 - 2⁵ = 1214311193 is a prime.

It is a super-2 number, since 2×1214311225² = 2949103502322001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214311196 and 1214311205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340285 + ... + 343834.

It is an arithmetic number, because the mean of its divisors is an integer number (127246320).

Almost surely, 2^1214311225 is an apocalyptic number.

It is an amenable number.

1214311225 is a deficient number, since it is larger than the sum of its proper divisors (312644615).

1214311225 is an equidigital number, since it uses as much as digits as its factorization.

1214311225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684200 (or 684195 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1214311225 is about 34846.9686629985. The cubic root of 1214311225 is about 1066.8663154396.

Adding to 1214311225 its reverse (5221134121), we get a palindrome (6435445346).

The spelling of 1214311225 in words is "one billion, two hundred fourteen million, three hundred eleven thousand, two hundred twenty-five".