22920289451 has 4 divisors (see below), whose sum is σ = 23407955232. Its totient is φ = 22432623672.

The previous prime is 22920289421. The next prime is 22920289477. The reversal of 22920289451 is 15498202922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15498202922 = 2 ⋅7749101461.

It is a cyclic number.

It is not a de Polignac number, because 22920289451 - 2¹⁴ = 22920273067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22920289421) 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, 243832820 + ... + 243832913.

It is an arithmetic number, because the mean of its divisors is an integer number (5851988808).

Almost surely, 2^22920289451 is an apocalyptic number.

22920289451 is a deficient number, since it is larger than the sum of its proper divisors (487665781).

22920289451 is an equidigital number, since it uses as much as digits as its factorization.

22920289451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487665780.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 22920289451 in words is "twenty-two billion, nine hundred twenty million, two hundred eighty-nine thousand, four hundred fifty-one".