22533030 has 48 divisors (see below), whose sum is σ = 63095760. Its totient is φ = 5546304.

The previous prime is 22533019. The next prime is 22533047. The reversal of 22533030 is 3033522.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22532994 and 22533012.

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, 8460 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (1314495).

Almost surely, 2^22533030 is an apocalyptic number.

22533030 is an abundant number, since it is smaller than the sum of its proper divisors (40562730).

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

22533030 is a wasteful number, since it uses less digits than its factorization.

22533030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19285 (or 19282 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 22533030 is about 4746.8968811214. The cubic root of 22533030 is about 282.4488852099.

Adding to 22533030 its reverse (3033522), we get a palindrome (25566552).

The spelling of 22533030 in words is "twenty-two million, five hundred thirty-three thousand, thirty".