1322390426 has 16 divisors (see below), whose sum is σ = 2288966784. Its totient is φ = 561235824.

The previous prime is 1322390387. The next prime is 1322390437. The reversal of 1322390426 is 6240932231.

It is a super-2 number, since 2×1322390426² = 3497432877552922952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322390392 and 1322390401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457085 + ... + 459968.

It is an arithmetic number, because the mean of its divisors is an integer number (143060424).

Almost surely, 2^1322390426 is an apocalyptic number.

1322390426 is a deficient number, since it is larger than the sum of its proper divisors (966576358).

1322390426 is a wasteful number, since it uses less digits than its factorization.

1322390426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917165.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1322390426 is about 36364.6865241542. The cubic root of 1322390426 is about 1097.6230841110.

The spelling of 1322390426 in words is "one billion, three hundred twenty-two million, three hundred ninety thousand, four hundred twenty-six".