1322130402 has 24 divisors (see below), whose sum is σ = 2870113584. Its totient is φ = 439864344.

The previous prime is 1322130391. The next prime is 1322130449. The reversal of 1322130402 is 2040312231.

1322130402 is a `hidden beast` number, since 13 + 221 + 30 + 402 = 666.

It is a super-3 number, since 3×1322130402³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 11 ways as a sum of consecutive naturals, for example, 60808 + ... + 79635.

It is an arithmetic number, because the mean of its divisors is an integer number (119588066).

Almost surely, 2^1322130402 is an apocalyptic number.

1322130402 is an abundant number, since it is smaller than the sum of its proper divisors (1547983182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322130402 is a wasteful number, since it uses less digits than its factorization.

1322130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140974 (or 140971 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1322130402 is about 36361.1111216365. Note that the first 4 decimals coincide. The cubic root of 1322130402 is about 1097.5511368635.

Adding to 1322130402 its reverse (2040312231), we get a palindrome (3362442633).

The spelling of 1322130402 in words is "one billion, three hundred twenty-two million, one hundred thirty thousand, four hundred two".