30422773 has 4 divisors (see below), whose sum is σ = 30489228. Its totient is φ = 30356320.

The previous prime is 30422761. The next prime is 30422797. The reversal of 30422773 is 37722403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 14085009 = 4042^2 + 3753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30422773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422573) 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, 32536 + ... + 33457.

It is an arithmetic number, because the mean of its divisors is an integer number (7622307).

Almost surely, 2^30422773 is an apocalyptic number.

It is an amenable number.

30422773 is a deficient number, since it is larger than the sum of its proper divisors (66455).

30422773 is an equidigital number, since it uses as much as digits as its factorization.

30422773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66454.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30422773 is about 5515.6842730526. The cubic root of 30422773 is about 312.1760628298.

The spelling of 30422773 in words is "thirty million, four hundred twenty-two thousand, seven hundred seventy-three".