22122004444340 has 48 divisors (see below), whose sum is σ = 48058643001600. Its totient is φ = 8543582608512.

The previous prime is 22122004444313. The next prime is 22122004444381. The reversal of 22122004444340 is 4344440022122.

It is a junction number, because it is equal to n+sod(n) for n = 22122004444297 and 22122004444306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100849301 + ... + 101068419.

It is an arithmetic number, because the mean of its divisors is an integer number (1001221729200).

Almost surely, 2^{22122004444340} is an apocalyptic number.

22122004444340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122004444340 is an abundant number, since it is smaller than the sum of its proper divisors (25936638557260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122004444340 is a wasteful number, since it uses less digits than its factorization.

22122004444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393224 (or 393222 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22122004444340 its reverse (4344440022122), we get a palindrome (26466444466462).

The spelling of 22122004444340 in words is "twenty-two trillion, one hundred twenty-two billion, four million, four hundred forty-four thousand, three hundred forty".