22353450431 has 8 divisors (see below), whose sum is σ = 24087838320. Its totient is φ = 20621189952.

The previous prime is 22353450407. The next prime is 22353450437. The reversal of 22353450431 is 13405435322.

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

It is a cyclic number.

It is not a de Polignac number, because 22353450431 - 2⁶ = 22353450367 is a prime.

It is a super-2 number, since 2×22353450431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22353450437) 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, 509990 + ... + 552083.

It is an arithmetic number, because the mean of its divisors is an integer number (3010979790).

Almost surely, 2^22353450431 is an apocalyptic number.

22353450431 is a deficient number, since it is larger than the sum of its proper divisors (1734387889).

22353450431 is a wasteful number, since it uses less digits than its factorization.

22353450431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063705.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22353450431 its reverse (13405435322), we get a palindrome (35758885753).

The spelling of 22353450431 in words is "twenty-two billion, three hundred fifty-three million, four hundred fifty thousand, four hundred thirty-one".