22074943 has 4 divisors (see below), whose sum is σ = 24081768. Its totient is φ = 20068120.

The previous prime is 22074911. The next prime is 22074989. The reversal of 22074943 is 34947022.

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 22074943 - 2⁵ = 22074911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074343) 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, 1003396 + ... + 1003417.

It is an arithmetic number, because the mean of its divisors is an integer number (6020442).

Almost surely, 2^22074943 is an apocalyptic number.

22074943 is a deficient number, since it is larger than the sum of its proper divisors (2006825).

22074943 is a wasteful number, since it uses less digits than its factorization.

22074943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006824.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22074943 is about 4698.3979184399. The cubic root of 22074943 is about 280.5217440299.

The spelling of 22074943 in words is "twenty-two million, seventy-four thousand, nine hundred forty-three".