1322150225 has 12 divisors (see below), whose sum is σ = 1788509040. Its totient is φ = 961563600.

The previous prime is 1322150209. The next prime is 1322150227. The reversal of 1322150225 is 5220512231.

It is not a de Polignac number, because 1322150225 - 2⁴ = 1322150209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322150225.

It is not an unprimeable number, because it can be changed into a prime (1322150227) 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, 2403635 + ... + 2404184.

It is an arithmetic number, because the mean of its divisors is an integer number (149042420).

Almost surely, 2^1322150225 is an apocalyptic number.

It is an amenable number.

1322150225 is a deficient number, since it is larger than the sum of its proper divisors (466358815).

1322150225 is a wasteful number, since it uses less digits than its factorization.

1322150225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807840 (or 4807835 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1322150225 is about 36361.3837057943. The cubic root of 1322150225 is about 1097.5566221135.

Adding to 1322150225 its reverse (5220512231), we get a palindrome (6542662456).

The spelling of 1322150225 in words is "one billion, three hundred twenty-two million, one hundred fifty thousand, two hundred twenty-five".