22122144434401 has 4 divisors (see below), whose sum is σ = 24133248473904. Its totient is φ = 20111040394900.

The previous prime is 22122144434393. The next prime is 22122144434419. The reversal of 22122144434401 is 10443444122122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22122144434401 - 2³ = 22122144434393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122144434461) 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, 1005552019735 + ... + 1005552019756.

It is an arithmetic number, because the mean of its divisors is an integer number (6033312118476).

Almost surely, 2^{22122144434401} is an apocalyptic number.

It is an amenable number.

22122144434401 is a deficient number, since it is larger than the sum of its proper divisors (2011104039503).

22122144434401 is a wasteful number, since it uses less digits than its factorization.

22122144434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011104039502.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 22122144434401 its reverse (10443444122122), we get a palindrome (32565588556523).

The spelling of 22122144434401 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred forty-four million, four hundred thirty-four thousand, four hundred one".