22403214231 has 4 divisors (see below), whose sum is σ = 29870952312. Its totient is φ = 14935476152.

The previous prime is 22403214209. The next prime is 22403214257. The reversal of 22403214231 is 13241230422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22403214231 - 2⁶ = 22403214167 is a prime.

It is a super-2 number, since 2×22403214231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403214271) 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, 3733869036 + ... + 3733869041.

It is an arithmetic number, because the mean of its divisors is an integer number (7467738078).

Almost surely, 2^22403214231 is an apocalyptic number.

22403214231 is a deficient number, since it is larger than the sum of its proper divisors (7467738081).

22403214231 is an equidigital number, since it uses as much as digits as its factorization.

22403214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467738080.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22403214231 its reverse (13241230422), we get a palindrome (35644444653).

The spelling of 22403214231 in words is "twenty-two billion, four hundred three million, two hundred fourteen thousand, two hundred thirty-one".