22422444442040 has 64 divisors (see below), whose sum is σ = 53446191184800. Its totient is φ = 8436963831808.

The previous prime is 22422444441997. The next prime is 22422444442043. The reversal of 22422444442040 is 4024444422422.

It is a junction number, because it is equal to n+sod(n) for n = 22422444441985 and 22422444442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422444442043) 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, 7348805 + ... + 9942324.

Almost surely, 2^{22422444442040} is an apocalyptic number.

22422444442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422444442040 is an abundant number, since it is smaller than the sum of its proper divisors (31023746742760).

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

22422444442040 is a wasteful number, since it uses less digits than its factorization.

22422444442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17293064 (or 17293060 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 22422444442040 its reverse (4024444422422), we get a palindrome (26446888864462).

The spelling of 22422444442040 in words is "twenty-two trillion, four hundred twenty-two billion, four hundred forty-four million, four hundred forty-two thousand, forty".