22055015211242 has 64 divisors (see below), whose sum is σ = 36503224162944. Its totient is φ = 9929607367680.

The previous prime is 22055015211241. The next prime is 22055015211293. The reversal of 22055015211242 is 24211251055022.

It is a junction number, because it is equal to n+sod(n) for n = 22055015211199 and 22055015211208.

It is not an unprimeable number, because it can be changed into a prime (22055015211241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4219437833 + ... + 4219443059.

It is an arithmetic number, because the mean of its divisors is an integer number (570362877546).

Almost surely, 2^{22055015211242} is an apocalyptic number.

22055015211242 is a deficient number, since it is larger than the sum of its proper divisors (14448208951702).

22055015211242 is a wasteful number, since it uses less digits than its factorization.

22055015211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 22055015211242 its reverse (24211251055022), we get a palindrome (46266266266264).

The spelling of 22055015211242 in words is "twenty-two trillion, fifty-five billion, fifteen million, two hundred eleven thousand, two hundred forty-two".