1322633225 has 12 divisors (see below), whose sum is σ = 1726385040. Its totient is φ = 1002416400.

The previous prime is 1322633203. The next prime is 1322633231. The reversal of 1322633225 is 5223362231.

It is not a de Polignac number, because 1322633225 - 2¹⁸ = 1322371081 is a prime.

It is a super-4 number, since 4×1322633225⁴ (a number of 38 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1391771 + ... + 1392720.

It is an arithmetic number, because the mean of its divisors is an integer number (143865420).

Almost surely, 2^1322633225 is an apocalyptic number.

It is an amenable number.

1322633225 is a deficient number, since it is larger than the sum of its proper divisors (403751815).

1322633225 is a wasteful number, since it uses less digits than its factorization.

1322633225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784520 (or 2784515 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 1322633225 is about 36368.0247607703. The cubic root of 1322633225 is about 1097.6902567788.

Adding to 1322633225 its reverse (5223362231), we get a palindrome (6545995456).

The spelling of 1322633225 in words is "one billion, three hundred twenty-two million, six hundred thirty-three thousand, two hundred twenty-five".