22431101 has 24 divisors (see below), whose sum is σ = 28651392. Its totient is φ = 17186400.

The previous prime is 22431089. The next prime is 22431107. The reversal of 22431101 is 10113422.

It is a de Polignac number, because none of the positive numbers 2^k-22431101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59951 + ... + 60323.

It is an arithmetic number, because the mean of its divisors is an integer number (1193808).

Almost surely, 2^22431101 is an apocalyptic number.

It is an amenable number.

22431101 is a deficient number, since it is larger than the sum of its proper divisors (6220291).

22431101 is a wasteful number, since it uses less digits than its factorization.

22431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22431101 is about 4736.1483296029. The cubic root of 22431101 is about 282.0223520669.

Adding to 22431101 its reverse (10113422), we get a palindrome (32544523).

The spelling of 22431101 in words is "twenty-two million, four hundred thirty-one thousand, one hundred one".