22155404343 has 16 divisors (see below), whose sum is σ = 31399941600. Its totient is φ = 13847330816.

The previous prime is 22155404321. The next prime is 22155404351. The reversal of 22155404343 is 34340455122.

It is a cyclic number.

It is not a de Polignac number, because 22155404343 - 2¹² = 22155400247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155404393) 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, 832068 + ... + 858281.

It is an arithmetic number, because the mean of its divisors is an integer number (1962496350).

Almost surely, 2^22155404343 is an apocalyptic number.

22155404343 is a deficient number, since it is larger than the sum of its proper divisors (9244537257).

22155404343 is a wasteful number, since it uses less digits than its factorization.

22155404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690626.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 22155404343 its reverse (34340455122), we get a palindrome (56495859465).

The spelling of 22155404343 in words is "twenty-two billion, one hundred fifty-five million, four hundred four thousand, three hundred forty-three".