22552251422 has 4 divisors (see below), whose sum is σ = 33828377136. Its totient is φ = 11276125710.

The previous prime is 22552251377. The next prime is 22552251427. The reversal of 22552251422 is 22415225522.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22552251422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552251427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638062854 + ... + 5638062857.

It is an arithmetic number, because the mean of its divisors is an integer number (8457094284).

Almost surely, 2^22552251422 is an apocalyptic number.

22552251422 is a deficient number, since it is larger than the sum of its proper divisors (11276125714).

22552251422 is a wasteful number, since it uses less digits than its factorization.

22552251422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276125713.

The product of its digits is 32000, while the sum is 32.

Adding to 22552251422 its reverse (22415225522), we get a palindrome (44967476944).

The spelling of 22552251422 in words is "twenty-two billion, five hundred fifty-two million, two hundred fifty-one thousand, four hundred twenty-two".