30422000 has 160 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 9984000.

The previous prime is 30421991. The next prime is 30422003. The reversal of 30422000 is 22403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573974 + ... + 574026.

Almost surely, 2^30422000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43872192).

30422000 is an abundant number, since it is smaller than the sum of its proper divisors (57322384).

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

30422000 is a wasteful number, since it uses less digits than its factorization.

30422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30422000 is about 5515.6141997061. The cubic root of 30422000 is about 312.1734188220.

Adding to 30422000 its reverse (22403), we get a palindrome (30444403).

The spelling of 30422000 in words is "thirty million, four hundred twenty-two thousand".