22081634 has 16 divisors (see below), whose sum is σ = 34390656. Its totient is φ = 10626000.

The previous prime is 22081603. The next prime is 22081649. The reversal of 22081634 is 43618022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (2149416).

Almost surely, 2^22081634 is an apocalyptic number.

22081634 is a deficient number, since it is larger than the sum of its proper divisors (12309022).

22081634 is a wasteful number, since it uses less digits than its factorization.

22081634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22081634 is about 4699.1099157181. The cubic root of 22081634 is about 280.5500835728.

Adding to 22081634 its reverse (43618022), we get a palindrome (65699656).

The spelling of 22081634 in words is "twenty-two million, eighty-one thousand, six hundred thirty-four".