309401122 has 8 divisors (see below), whose sum is σ = 491401836. Its totient is φ = 145600512.

The previous prime is 309401117. The next prime is 309401137. The reversal of 309401122 is 221104903.

It can be written as a sum of positive squares in 2 ways, for example, as 242144721 + 67256401 = 15561^2 + 8201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 309401093 and 309401102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4549983 + ... + 4550050.

Almost surely, 2^309401122 is an apocalyptic number.

309401122 is a deficient number, since it is larger than the sum of its proper divisors (182000714).

309401122 is a wasteful number, since it uses less digits than its factorization.

309401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100052.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 309401122 is about 17589.8016475457. The cubic root of 309401122 is about 676.3538420993.

The spelling of 309401122 in words is "three hundred nine million, four hundred one thousand, one hundred twenty-two".