1022433994 has 8 divisors (see below), whose sum is σ = 1533923460. Its totient is φ = 511126176.

The previous prime is 1022433991. The next prime is 1022434001. The reversal of 1022433994 is 4993342201.

It can be written as a sum of positive squares in 2 ways, for example, as 780475969 + 241958025 = 27937^2 + 15555^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1022433991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30339 + ... + 54454.

Almost surely, 2^1022433994 is an apocalyptic number.

1022433994 is a deficient number, since it is larger than the sum of its proper divisors (511489466).

1022433994 is an equidigital number, since it uses as much as digits as its factorization.

1022433994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90824.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1022433994 is about 31975.5217940224. The cubic root of 1022433994 is about 1007.4227642459.

The spelling of 1022433994 in words is "one billion, twenty-two million, four hundred thirty-three thousand, nine hundred ninety-four".