22840420359 has 4 divisors (see below), whose sum is σ = 30453893816. Its totient is φ = 15226946904.

The previous prime is 22840420349. The next prime is 22840420417. The reversal of 22840420359 is 95302404822.

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

It is a de Polignac number, because none of the positive numbers 2^k-22840420359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22840420349) 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, 3806736724 + ... + 3806736729.

It is an arithmetic number, because the mean of its divisors is an integer number (7613473454).

Almost surely, 2^22840420359 is an apocalyptic number.

22840420359 is a deficient number, since it is larger than the sum of its proper divisors (7613473457).

22840420359 is an equidigital number, since it uses as much as digits as its factorization.

22840420359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613473456.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 22840420359 in words is "twenty-two billion, eight hundred forty million, four hundred twenty thousand, three hundred fifty-nine".