1225625227 has 4 divisors (see below), whose sum is σ = 1240391880. Its totient is φ = 1210858576.

The previous prime is 1225625213. The next prime is 1225625263. The reversal of 1225625227 is 7225265221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1225625227 - 2¹⁹ = 1225100939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225625192 and 1225625201.

It is not an unprimeable number, because it can be changed into a prime (1225625327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7383202 + ... + 7383367.

It is an arithmetic number, because the mean of its divisors is an integer number (310097970).

Almost surely, 2^1225625227 is an apocalyptic number.

1225625227 is a deficient number, since it is larger than the sum of its proper divisors (14766653).

1225625227 is an equidigital number, since it uses as much as digits as its factorization.

1225625227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766652.

The product of its digits is 33600, while the sum is 34.

The square root of 1225625227 is about 35008.9306749007. The cubic root of 1225625227 is about 1070.1694863557.

The spelling of 1225625227 in words is "one billion, two hundred twenty-five million, six hundred twenty-five thousand, two hundred twenty-seven".