22053743 has 4 divisors (see below), whose sum is σ = 23351040. Its totient is φ = 20756448.

The previous prime is 22053721. The next prime is 22053751. The reversal of 22053743 is 34735022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22053743 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 (22056743) 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, 648623 + ... + 648656.

It is an arithmetic number, because the mean of its divisors is an integer number (5837760).

Almost surely, 2^22053743 is an apocalyptic number.

22053743 is a deficient number, since it is larger than the sum of its proper divisors (1297297).

22053743 is a wasteful number, since it uses less digits than its factorization.

22053743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297296.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22053743 is about 4696.1412883345. The cubic root of 22053743 is about 280.4319141902.

Adding to 22053743 its reverse (34735022), we get a palindrome (56788765).

The spelling of 22053743 in words is "twenty-two million, fifty-three thousand, seven hundred forty-three".