22232464451 has 4 divisors (see below), whose sum is σ = 22749498552. Its totient is φ = 21715430352.

The previous prime is 22232464427. The next prime is 22232464469. The reversal of 22232464451 is 15446423222.

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 22232464451 - 2¹⁴ = 22232448067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232464151) 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, 258516986 + ... + 258517071.

It is an arithmetic number, because the mean of its divisors is an integer number (5687374638).

Almost surely, 2^22232464451 is an apocalyptic number.

22232464451 is a deficient number, since it is larger than the sum of its proper divisors (517034101).

22232464451 is an equidigital number, since it uses as much as digits as its factorization.

22232464451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517034100.

The product of its digits is 92160, while the sum is 35.

Adding to 22232464451 its reverse (15446423222), we get a palindrome (37678887673).

The spelling of 22232464451 in words is "twenty-two billion, two hundred thirty-two million, four hundred sixty-four thousand, four hundred fifty-one".