30022442 has 8 divisors (see below), whose sum is σ = 47682756. Its totient is φ = 14128192.

The previous prime is 30022441. The next prime is 30022507. The reversal of 30022442 is 24422003.

It can be written as a sum of positive squares in 2 ways, for example, as 29931841 + 90601 = 5471^2 + 301^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 30022442.

It is not an unprimeable number, because it can be changed into a prime (30022441) 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, 441473 + ... + 441540.

Almost surely, 2^30022442 is an apocalyptic number.

30022442 is a deficient number, since it is larger than the sum of its proper divisors (17660314).

30022442 is a wasteful number, since it uses less digits than its factorization.

30022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883032.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30022442 is about 5479.2738569997. The cubic root of 30022442 is about 310.8007118520.

Adding to 30022442 its reverse (24422003), we get a palindrome (54444445).

The spelling of 30022442 in words is "thirty million, twenty-two thousand, four hundred forty-two".