30022452 has 72 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 9451200.

The previous prime is 30022441. The next prime is 30022507. The reversal of 30022452 is 25422003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83449 + ... + 83807.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^30022452 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 30022452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40098240).

30022452 is an abundant number, since it is smaller than the sum of its proper divisors (50174028).

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

30022452 is a wasteful number, since it uses less digits than its factorization.

30022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30022452 is about 5479.2747695293. The cubic root of 30022452 is about 310.8007463596.

Adding to 30022452 its reverse (25422003), we get a palindrome (55444455).

The spelling of 30022452 in words is "thirty million, twenty-two thousand, four hundred fifty-two".