22453663291 has 4 divisors (see below), whose sum is σ = 23774467032. Its totient is φ = 21132859552.

The previous prime is 22453663273. The next prime is 22453663303. The reversal of 22453663291 is 19236635422.

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 22453663291 - 2¹⁷ = 22453532219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22453663201) 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, 660401845 + ... + 660401878.

It is an arithmetic number, because the mean of its divisors is an integer number (5943616758).

Almost surely, 2^22453663291 is an apocalyptic number.

22453663291 is a deficient number, since it is larger than the sum of its proper divisors (1320803741).

22453663291 is a wasteful number, since it uses less digits than its factorization.

22453663291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320803740.

The product of its digits is 466560, while the sum is 43.

The spelling of 22453663291 in words is "twenty-two billion, four hundred fifty-three million, six hundred sixty-three thousand, two hundred ninety-one".