22150434 has 16 divisors (see below), whose sum is σ = 44625888. Its totient is φ = 7329312.

The previous prime is 22150423. The next prime is 22150481. The reversal of 22150434 is 43405122.

It is a self number, because there is not a number n which added to its sum of digits gives 22150434.

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 in 7 ways as a sum of consecutive naturals, for example, 12652 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (2789118).

Almost surely, 2^22150434 is an apocalyptic number.

22150434 is an abundant number, since it is smaller than the sum of its proper divisors (22475454).

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

22150434 is a wasteful number, since it uses less digits than its factorization.

22150434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27089.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22150434 is about 4706.4247577115. The cubic root of 22150434 is about 280.8411525225.

Adding to 22150434 its reverse (43405122), we get a palindrome (65555556).

The spelling of 22150434 in words is "twenty-two million, one hundred fifty thousand, four hundred thirty-four".