22540205101422 has 32 divisors (see below), whose sum is σ = 45426755088000. Its totient is φ = 7455683158560.

The previous prime is 22540205101399. The next prime is 22540205101423. The reversal of 22540205101422 is 22410150204522.

It is a self number, because there is not a number n which added to its sum of digits gives 22540205101422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540205101423) 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, 15637329 + ... + 17017827.

It is an arithmetic number, because the mean of its divisors is an integer number (1419586096500).

Almost surely, 2^{22540205101422} is an apocalyptic number.

22540205101422 is an abundant number, since it is smaller than the sum of its proper divisors (22886549986578).

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

22540205101422 is a wasteful number, since it uses less digits than its factorization.

22540205101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401408.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 22540205101422 its reverse (22410150204522), we get a palindrome (44950355305944).

The spelling of 22540205101422 in words is "twenty-two trillion, five hundred forty billion, two hundred five million, one hundred one thousand, four hundred twenty-two".