22049943 has 8 divisors (see below), whose sum is σ = 29703408. Its totient is φ = 14548224.

The previous prime is 22049921. The next prime is 22049953. The reversal of 22049943 is 34994022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22049943 - 2¹⁰ = 22048919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22049903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37596 + ... + 38177.

It is an arithmetic number, because the mean of its divisors is an integer number (3712926).

Almost surely, 2^22049943 is an apocalyptic number.

22049943 is a deficient number, since it is larger than the sum of its proper divisors (7653465).

22049943 is an equidigital number, since it uses as much as digits as its factorization.

22049943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75873.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 22049943 is about 4695.7366834183. The cubic root of 22049943 is about 280.4158065317.

The spelling of 22049943 in words is "twenty-two million, forty-nine thousand, nine hundred forty-three".