22722621473 has 4 divisors (see below), whose sum is σ = 22788104880. Its totient is φ = 22657138068.

The previous prime is 22722621431. The next prime is 22722621479. The reversal of 22722621473 is 37412622722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22722621473 - 2¹⁴ = 22722605089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722621479) 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, 32741183 + ... + 32741876.

It is an arithmetic number, because the mean of its divisors is an integer number (5697026220).

Almost surely, 2^22722621473 is an apocalyptic number.

It is an amenable number.

22722621473 is a deficient number, since it is larger than the sum of its proper divisors (65483407).

22722621473 is an equidigital number, since it uses as much as digits as its factorization.

22722621473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65483406.

The product of its digits is 112896, while the sum is 38.

The spelling of 22722621473 in words is "twenty-two billion, seven hundred twenty-two million, six hundred twenty-one thousand, four hundred seventy-three".