22890134 has 4 divisors (see below), whose sum is σ = 34335204. Its totient is φ = 11445066.

The previous prime is 22890113. The next prime is 22890151. The reversal of 22890134 is 43109822.

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 = 22890097 and 22890106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722532 + ... + 5722535.

It is an arithmetic number, because the mean of its divisors is an integer number (8583801).

Almost surely, 2^22890134 is an apocalyptic number.

22890134 is a deficient number, since it is larger than the sum of its proper divisors (11445070).

22890134 is a wasteful number, since it uses less digits than its factorization.

22890134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445069.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22890134 is about 4784.3634895355. The cubic root of 22890134 is about 283.9331572506.

Adding to 22890134 its reverse (43109822), we get a palindrome (65999956).

The spelling of 22890134 in words is "twenty-two million, eight hundred ninety thousand, one hundred thirty-four".