22261452135 has 16 divisors (see below), whose sum is σ = 38358194784. Its totient is φ = 10959484032.

The previous prime is 22261452133. The next prime is 22261452137. The reversal of 22261452135 is 53125416222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22261452133) and next prime (22261452137).

It is not a de Polignac number, because 22261452135 - 2¹ = 22261452133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22261452096 and 22261452105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261452133) 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, 57080452 + ... + 57080841.

It is an arithmetic number, because the mean of its divisors is an integer number (2397387174).

Almost surely, 2^22261452135 is an apocalyptic number.

22261452135 is a deficient number, since it is larger than the sum of its proper divisors (16096742649).

22261452135 is a wasteful number, since it uses less digits than its factorization.

22261452135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114161314.

The product of its digits is 28800, while the sum is 33.

Adding to 22261452135 its reverse (53125416222), we get a palindrome (75386868357).

The spelling of 22261452135 in words is "twenty-two billion, two hundred sixty-one million, four hundred fifty-two thousand, one hundred thirty-five".