22543150 has 48 divisors (see below), whose sum is σ = 49595040. Its totient is φ = 7459200.

The previous prime is 22543141. The next prime is 22543181. The reversal of 22543150 is 5134522.

It is a super-2 number, since 2×22543150² = 1016387223845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9040 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (1033230).

Almost surely, 2^22543150 is an apocalyptic number.

22543150 is an abundant number, since it is smaller than the sum of its proper divisors (27051890).

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

22543150 is a wasteful number, since it uses less digits than its factorization.

22543150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22543150 is about 4747.9627209994. The cubic root of 22543150 is about 282.4911632185.

Adding to 22543150 its reverse (5134522), we get a palindrome (27677672).

The spelling of 22543150 in words is "twenty-two million, five hundred forty-three thousand, one hundred fifty".