801222911 has 8 divisors (see below), whose sum is σ = 805218960. Its totient is φ = 797237568.

The previous prime is 801222907. The next prime is 801222923. The reversal of 801222911 is 119222108.

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

It is a cyclic number.

It is not a de Polignac number, because 801222911 - 2² = 801222907 is a prime.

It is a super-2 number, since 2×801222911² = 1283916306222627842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801222941) 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 7 ways as a sum of consecutive naturals, for example, 175520 + ... + 180026.

It is an arithmetic number, because the mean of its divisors is an integer number (100652370).

Almost surely, 2^801222911 is an apocalyptic number.

801222911 is a deficient number, since it is larger than the sum of its proper divisors (3996049).

801222911 is a wasteful number, since it uses less digits than its factorization.

801222911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 801222911 is about 28305.8812086817. The cubic root of 801222911 is about 928.7905467379.

The spelling of 801222911 in words is "eight hundred one million, two hundred twenty-two thousand, nine hundred eleven".