22015040422 has 32 divisors (see below), whose sum is σ = 35356308480. Its totient is φ = 10249714080.

The previous prime is 22015040419. The next prime is 22015040447. The reversal of 22015040422 is 22404051022.

It is a junction number, because it is equal to n+sod(n) for n = 22015040393 and 22015040402.

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, 4325163 + ... + 4330249.

It is an arithmetic number, because the mean of its divisors is an integer number (1104884640).

Almost surely, 2^22015040422 is an apocalyptic number.

22015040422 is a deficient number, since it is larger than the sum of its proper divisors (13341268058).

22015040422 is a wasteful number, since it uses less digits than its factorization.

22015040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 22015040422 its reverse (22404051022), we get a palindrome (44419091444).

The spelling of 22015040422 in words is "twenty-two billion, fifteen million, forty thousand, four hundred twenty-two".