1206022225 has 12 divisors (see below), whose sum is σ = 1497007360. Its totient is φ = 963824400.

The previous prime is 1206022201. The next prime is 1206022229. The reversal of 1206022225 is 5222206021.

It is a happy number.

It is not a de Polignac number, because 1206022225 - 2⁵ = 1206022193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206022196 and 1206022205.

It is not an unprimeable number, because it can be changed into a prime (1206022229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436 + ... + 49114.

Almost surely, 2^1206022225 is an apocalyptic number.

It is an amenable number.

1206022225 is a deficient number, since it is larger than the sum of its proper divisors (290985135).

1206022225 is an equidigital number, since it uses as much as digits as its factorization.

1206022225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49680 (or 49675 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1206022225 is about 34727.8306981591. The cubic root of 1206022225 is about 1064.4332617640.

Adding to 1206022225 its reverse (5222206021), we get a palindrome (6428228246).

The spelling of 1206022225 in words is "one billion, two hundred six million, twenty-two thousand, two hundred twenty-five".