22750043 has 4 divisors (see below), whose sum is σ = 22781088. Its totient is φ = 22719000.

The previous prime is 22750031. The next prime is 22750061. The reversal of 22750043 is 34005722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22750043 - 2⁴ = 22750027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22750003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14396 + ... + 15897.

It is an arithmetic number, because the mean of its divisors is an integer number (5695272).

Almost surely, 2^22750043 is an apocalyptic number.

22750043 is a deficient number, since it is larger than the sum of its proper divisors (31045).

22750043 is an equidigital number, since it uses as much as digits as its factorization.

22750043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31044.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22750043 is about 4769.7005147074. The cubic root of 22750043 is about 283.3527339272.

Adding to 22750043 its reverse (34005722), we get a palindrome (56755765).

It can be divided in two parts, 227 and 50043, that multiplied together give a triangular number (11359761 = T₄₇₆₆).

The spelling of 22750043 in words is "twenty-two million, seven hundred fifty thousand, forty-three".