30222075 has 48 divisors (see below), whose sum is σ = 54440960. Its totient is φ = 14705280.

The previous prime is 30222041. The next prime is 30222109. The reversal of 30222075 is 57022203.

It is an interprime number because it is at equal distance from previous prime (30222041) and next prime (30222109).

It is not a de Polignac number, because 30222075 - 2⁶ = 30222011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135414 + ... + 135636.

Almost surely, 2^30222075 is an apocalyptic number.

30222075 is a deficient number, since it is larger than the sum of its proper divisors (24218885).

30222075 is a wasteful number, since it uses less digits than its factorization.

30222075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 30222075 is about 5497.4607774863. The cubic root of 30222075 is about 311.4880761023.

Adding to 30222075 its reverse (57022203), we get a palindrome (87244278).

The spelling of 30222075 in words is "thirty million, two hundred twenty-two thousand, seventy-five".