812037322 has 8 divisors (see below), whose sum is σ = 1218462336. Its totient is φ = 405883212.

The previous prime is 812037319. The next prime is 812037337. The reversal of 812037322 is 223730218.

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

It is a super-2 number, since 2×812037322² = 1318809224641863368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60058 + ... + 72325.

It is an arithmetic number, because the mean of its divisors is an integer number (152307792).

Almost surely, 2^812037322 is an apocalyptic number.

812037322 is a deficient number, since it is larger than the sum of its proper divisors (406425014).

812037322 is a wasteful number, since it uses less digits than its factorization.

812037322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135452.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 812037322 is about 28496.2685627434. The cubic root of 812037322 is about 932.9506324141.

The spelling of 812037322 in words is "eight hundred twelve million, thirty-seven thousand, three hundred twenty-two".