801221343 has 16 divisors (see below), whose sum is σ = 1163403360. Its totient is φ = 487517184.

The previous prime is 801221329. The next prime is 801221359. The reversal of 801221343 is 343122108.

It is not a de Polignac number, because 801221343 - 2⁹ = 801220831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801221143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111946 + ... + 118887.

It is an arithmetic number, because the mean of its divisors is an integer number (72712710).

Almost surely, 2^801221343 is an apocalyptic number.

801221343 is a deficient number, since it is larger than the sum of its proper divisors (362182017).

801221343 is a wasteful number, since it uses less digits than its factorization.

801221343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230938.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 801221343 is about 28305.8535112439. The cubic root of 801221343 is about 928.7899408538.

The spelling of 801221343 in words is "eight hundred one million, two hundred twenty-one thousand, three hundred forty-three".