30622044 has 24 divisors (see below), whose sum is σ = 71663760. Its totient is φ = 10177024.

The previous prime is 30622043. The next prime is 30622093. The reversal of 30622044 is 44022603.

It is a self number, because there is not a number n which added to its sum of digits gives 30622044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30622043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (2985990).

Almost surely, 2^30622044 is an apocalyptic number.

It is an amenable number.

30622044 is an abundant number, since it is smaller than the sum of its proper divisors (41041716).

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

30622044 is a wasteful number, since it uses less digits than its factorization.

30622044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30622044 is about 5533.7188219135. The cubic root of 30622044 is about 312.8561707548.

Adding to 30622044 its reverse (44022603), we get a palindrome (74644647).

The spelling of 30622044 in words is "thirty million, six hundred twenty-two thousand, forty-four".