22266430451 has 4 divisors (see below), whose sum is σ = 22280168304. Its totient is φ = 22252692600.

The previous prime is 22266430447. The next prime is 22266430453. The reversal of 22266430451 is 15403466222.

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 22266430451 - 2² = 22266430447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22266430453) 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, 6866495 + ... + 6869736.

It is an arithmetic number, because the mean of its divisors is an integer number (5570042076).

Almost surely, 2^22266430451 is an apocalyptic number.

22266430451 is a deficient number, since it is larger than the sum of its proper divisors (13737853).

22266430451 is a wasteful number, since it uses less digits than its factorization.

22266430451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13737852.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 22266430451 its reverse (15403466222), we get a palindrome (37669896673).

The spelling of 22266430451 in words is "twenty-two billion, two hundred sixty-six million, four hundred thirty thousand, four hundred fifty-one".