22396861451 has 4 divisors (see below), whose sum is σ = 22401548832. Its totient is φ = 22392174072.

The previous prime is 22396861441. The next prime is 22396861453. The reversal of 22396861451 is 15416869322.

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 22396861451 - 2¹⁰ = 22396860427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22396861396 and 22396861405.

It is not an unprimeable number, because it can be changed into a prime (22396861453) 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, 2336516 + ... + 2346081.

It is an arithmetic number, because the mean of its divisors is an integer number (5600387208).

Almost surely, 2^22396861451 is an apocalyptic number.

22396861451 is a deficient number, since it is larger than the sum of its proper divisors (4687381).

22396861451 is an equidigital number, since it uses as much as digits as its factorization.

22396861451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687380.

The product of its digits is 622080, while the sum is 47.

The spelling of 22396861451 in words is "twenty-two billion, three hundred ninety-six million, eight hundred sixty-one thousand, four hundred fifty-one".