22101243 has 8 divisors (see below), whose sum is σ = 29563728. Its totient is φ = 14686464.

The previous prime is 22101239. The next prime is 22101253. The reversal of 22101243 is 34210122.

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

It is not a de Polignac number, because 22101243 - 2² = 22101239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101253) 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, 10830 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (3695466).

Almost surely, 2^22101243 is an apocalyptic number.

22101243 is a deficient number, since it is larger than the sum of its proper divisors (7462485).

22101243 is a wasteful number, since it uses less digits than its factorization.

22101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23853.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22101243 is about 4701.1959116803. The cubic root of 22101243 is about 280.6331039834.

Adding to 22101243 its reverse (34210122), we get a palindrome (56311365).

The spelling of 22101243 in words is "twenty-two million, one hundred one thousand, two hundred forty-three".