22881134 has 4 divisors (see below), whose sum is σ = 34321704. Its totient is φ = 11440566.

The previous prime is 22881127. The next prime is 22881137. The reversal of 22881134 is 43118822.

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

It is a junction number, because it is equal to n+sod(n) for n = 22881097 and 22881106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22881137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720282 + ... + 5720285.

It is an arithmetic number, because the mean of its divisors is an integer number (8580426).

Almost surely, 2^22881134 is an apocalyptic number.

22881134 is a deficient number, since it is larger than the sum of its proper divisors (11440570).

22881134 is a wasteful number, since it uses less digits than its factorization.

22881134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440569.

The product of its digits is 3072, while the sum is 29.

The square root of 22881134 is about 4783.4228330767. The cubic root of 22881134 is about 283.8959398566.

Adding to 22881134 its reverse (43118822), we get a palindrome (65999956).

The spelling of 22881134 in words is "twenty-two million, eight hundred eighty-one thousand, one hundred thirty-four".