22102734 has 16 divisors (see below), whose sum is σ = 44739072. Its totient is φ = 7278648.

The previous prime is 22102733. The next prime is 22102781. The reversal of 22102734 is 43720122.

It is a self number, because there is not a number n which added to its sum of digits gives 22102734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21694 + ... + 22689.

It is an arithmetic number, because the mean of its divisors is an integer number (2796192).

Almost surely, 2^22102734 is an apocalyptic number.

22102734 is an abundant number, since it is smaller than the sum of its proper divisors (22636338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22102734 is a wasteful number, since it uses less digits than its factorization.

22102734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44471.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22102734 is about 4701.3544856775. The cubic root of 22102734 is about 280.6394145568.

Adding to 22102734 its reverse (43720122), we get a palindrome (65822856).

The spelling of 22102734 in words is "twenty-two million, one hundred two thousand, seven hundred thirty-four".