22211040423 has 64 divisors (see below), whose sum is σ = 35108623872. Its totient is φ = 12313313280.

The previous prime is 22211040421. The next prime is 22211040427. The reversal of 22211040423 is 32404011222.

It is not a de Polignac number, because 22211040423 - 2¹ = 22211040421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211040423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211040421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37837936 + ... + 37838522.

It is an arithmetic number, because the mean of its divisors is an integer number (548572248).

Almost surely, 2^22211040423 is an apocalyptic number.

22211040423 is a deficient number, since it is larger than the sum of its proper divisors (12897583449).

22211040423 is a wasteful number, since it uses less digits than its factorization.

22211040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22211040423 its reverse (32404011222), we get a palindrome (54615051645).

The spelling of 22211040423 in words is "twenty-two billion, two hundred eleven million, forty thousand, four hundred twenty-three".