1225305314 has 4 divisors (see below), whose sum is σ = 1837957974. Its totient is φ = 612652656.

The previous prime is 1225305259. The next prime is 1225305317. The reversal of 1225305314 is 4135035221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4135035221 = 15493 ⋅266897.

It can be written as a sum of positive squares in only one way, i.e., 960690025 + 264615289 = 30995^2 + 16267^2 .

It is a super-2 number, since 2×1225305314² = 3002746225033277192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1225305317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306326327 + ... + 306326330.

Almost surely, 2^1225305314 is an apocalyptic number.

1225305314 is a deficient number, since it is larger than the sum of its proper divisors (612652660).

1225305314 is an equidigital number, since it uses as much as digits as its factorization.

1225305314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612652659.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1225305314 is about 35004.3613568367. The cubic root of 1225305314 is about 1070.0763662851.

The spelling of 1225305314 in words is "one billion, two hundred twenty-five million, three hundred five thousand, three hundred fourteen".