22342440443422 has 32 divisors (see below), whose sum is σ = 36645871665024. Its totient is φ = 10131926532000.

The previous prime is 22342440443413. The next prime is 22342440443423. The reversal of 22342440443422 is 22434404424322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342440443423) 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, 16676797 + ... + 17966647.

It is an arithmetic number, because the mean of its divisors is an integer number (1145183489532).

Almost surely, 2^{22342440443422} is an apocalyptic number.

22342440443422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22342440443422 is a deficient number, since it is larger than the sum of its proper divisors (14303431221602).

22342440443422 is a wasteful number, since it uses less digits than its factorization.

22342440443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291704.

The product of its (nonzero) digits is 1179648, while the sum is 40.

Adding to 22342440443422 its reverse (22434404424322), we get a palindrome (44776844867744).

The spelling of 22342440443422 in words is "twenty-two trillion, three hundred forty-two billion, four hundred forty million, four hundred forty-three thousand, four hundred twenty-two".