30444822 has 20 divisors (see below), whose sum is σ = 68219316. Its totient is φ = 10148220.

The previous prime is 30444803. The next prime is 30444823. The reversal of 30444822 is 22844403.

It is a happy number.

It is a super-2 number, since 2×30444822² = 1853774373223368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93804 + ... + 94127.

Almost surely, 2^30444822 is an apocalyptic number.

30444822 is an abundant number, since it is smaller than the sum of its proper divisors (37774494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30444822 is a wasteful number, since it uses less digits than its factorization.

30444822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187945 (or 187936 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 30444822 is about 5517.6826657574. The cubic root of 30444822 is about 312.2514614773.

The spelling of 30444822 in words is "thirty million, four hundred forty-four thousand, eight hundred twenty-two".