22561614346 has 4 divisors (see below), whose sum is σ = 33842421522. Its totient is φ = 11280807172.

The previous prime is 22561614331. The next prime is 22561614347. The reversal of 22561614346 is 64341616522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21200816025 + 1360798321 = 145605^2 + 36889^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22561614299 and 22561614308.

It is not an unprimeable number, because it can be changed into a prime (22561614347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640403585 + ... + 5640403588.

Almost surely, 2^22561614346 is an apocalyptic number.

22561614346 is a deficient number, since it is larger than the sum of its proper divisors (11280807176).

22561614346 is a wasteful number, since it uses less digits than its factorization.

22561614346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11280807175.

The product of its digits is 207360, while the sum is 40.

The spelling of 22561614346 in words is "twenty-two billion, five hundred sixty-one million, six hundred fourteen thousand, three hundred forty-six".