22442790811391 has 16 divisors (see below), whose sum is σ = 23952512133600. Its totient is φ = 20966040995328.

The previous prime is 22442790811369. The next prime is 22442790811457. The reversal of 22442790811391 is 19311809724422.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22442790811391 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 (22442790811691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5126225 + ... + 8435861.

It is an arithmetic number, because the mean of its divisors is an integer number (1497032008350).

Almost surely, 2^{22442790811391} is an apocalyptic number.

22442790811391 is a deficient number, since it is larger than the sum of its proper divisors (1509721322209).

22442790811391 is a wasteful number, since it uses less digits than its factorization.

22442790811391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314618.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 22442790811391 in words is "twenty-two trillion, four hundred forty-two billion, seven hundred ninety million, eight hundred eleven thousand, three hundred ninety-one".