22101230 has 16 divisors (see below), whose sum is σ = 39844224. Its totient is φ = 8826720.

The previous prime is 22101193. The next prime is 22101239. The reversal of 22101230 is 3210122.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101239) 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, 7235 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (2490264).

Almost surely, 2^22101230 is an apocalyptic number.

22101230 is a deficient number, since it is larger than the sum of its proper divisors (17742994).

22101230 is a wasteful number, since it uses less digits than its factorization.

22101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22101230 is about 4701.1945290532. The cubic root of 22101230 is about 280.6330489604.

Adding to 22101230 its reverse (3210122), we get a palindrome (25311352).

The spelling of 22101230 in words is "twenty-two million, one hundred one thousand, two hundred thirty".