1325956222 has 4 divisors (see below), whose sum is σ = 1988934336. Its totient is φ = 662978110.

The previous prime is 1325956201. The next prime is 1325956231. The reversal of 1325956222 is 2226595231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331489054 + ... + 331489057.

It is an arithmetic number, because the mean of its divisors is an integer number (497233584).

Almost surely, 2^1325956222 is an apocalyptic number.

1325956222 is a deficient number, since it is larger than the sum of its proper divisors (662978114).

1325956222 is an equidigital number, since it uses as much as digits as its factorization.

1325956222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662978113.

The product of its digits is 64800, while the sum is 37.

The square root of 1325956222 is about 36413.6817968192. The cubic root of 1325956222 is about 1098.6087706556.

The spelling of 1325956222 in words is "one billion, three hundred twenty-five million, nine hundred fifty-six thousand, two hundred twenty-two".