22505350 has 24 divisors (see below), whose sum is σ = 47840688. Its totient is φ = 7716000.

The previous prime is 22505333. The next prime is 22505369. The reversal of 22505350 is 5350522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31801 + ... + 32500.

It is an arithmetic number, because the mean of its divisors is an integer number (1993362).

Almost surely, 2^22505350 is an apocalyptic number.

22505350 is an abundant number, since it is smaller than the sum of its proper divisors (25335338).

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

22505350 is a wasteful number, since it uses less digits than its factorization.

22505350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64320 (or 64315 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 22505350 is about 4743.9803962495. The cubic root of 22505350 is about 282.3331826366. Note that the first 3 decimals are identical.

Adding to 22505350 its reverse (5350522), we get a palindrome (27855872).

The spelling of 22505350 in words is "twenty-two million, five hundred five thousand, three hundred fifty".