994722831 has 24 divisors (see below), whose sum is σ = 1463829120. Its totient is φ = 650725200.

The previous prime is 994722811. The next prime is 994722847. The reversal of 994722831 is 138227499.

It is not a de Polignac number, because 994722831 - 2⁶ = 994722767 is a prime.

It is a super-2 number, since 2×994722831² = 1978947021025309122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994722811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365566 + ... + 368276.

It is an arithmetic number, because the mean of its divisors is an integer number (60992880).

Almost surely, 2^994722831 is an apocalyptic number.

994722831 is a deficient number, since it is larger than the sum of its proper divisors (469106289).

994722831 is a wasteful number, since it uses less digits than its factorization.

994722831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3464 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 994722831 is about 31539.2268611645. The cubic root of 994722831 is about 998.2378402838.

The spelling of 994722831 in words is "nine hundred ninety-four million, seven hundred twenty-two thousand, eight hundred thirty-one".