406261322 has 4 divisors (see below), whose sum is σ = 609391986. Its totient is φ = 203130660.

The previous prime is 406261309. The next prime is 406261367. The reversal of 406261322 is 223162604.

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

It can be written as a sum of positive squares in only one way, i.e., 359898841 + 46362481 = 18971^2 + 6809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406261291 and 406261300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565329 + ... + 101565332.

Almost surely, 2^406261322 is an apocalyptic number.

406261322 is a deficient number, since it is larger than the sum of its proper divisors (203130664).

406261322 is a wasteful number, since it uses less digits than its factorization.

406261322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203130663.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 406261322 is about 20155.9252330425. The cubic root of 406261322 is about 740.6308973211.

The spelling of 406261322 in words is "four hundred six million, two hundred sixty-one thousand, three hundred twenty-two".