22053842 has 4 divisors (see below), whose sum is σ = 33080766. Its totient is φ = 11026920.

The previous prime is 22053841. The next prime is 22053881. The reversal of 22053842 is 24835022.

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

It can be written as a sum of positive squares in only one way, i.e., 21893041 + 160801 = 4679^2 + 401^2 .

It is not an unprimeable number, because it can be changed into a prime (22053841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513459 + ... + 5513462.

Almost surely, 2^22053842 is an apocalyptic number.

22053842 is a deficient number, since it is larger than the sum of its proper divisors (11026924).

22053842 is a wasteful number, since it uses less digits than its factorization.

22053842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026923.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22053842 is about 4696.1518288914. The cubic root of 22053842 is about 280.4323338124.

Adding to 22053842 its reverse (24835022), we get a palindrome (46888864).

The spelling of 22053842 in words is "twenty-two million, fifty-three thousand, eight hundred forty-two".