22130446 has 8 divisors (see below), whose sum is σ = 35749224. Its totient is φ = 10214040.

The previous prime is 22130441. The next prime is 22130483. The reversal of 22130446 is 64403122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 425560 + ... + 425611.

It is an arithmetic number, because the mean of its divisors is an integer number (4468653).

Almost surely, 2^22130446 is an apocalyptic number.

22130446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22130446 is a deficient number, since it is larger than the sum of its proper divisors (13618778).

22130446 is a wasteful number, since it uses less digits than its factorization.

22130446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851186.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22130446 is about 4704.3007982058. The cubic root of 22130446 is about 280.7566524132.

Adding to 22130446 its reverse (64403122), we get a palindrome (86533568).

The spelling of 22130446 in words is "twenty-two million, one hundred thirty thousand, four hundred forty-six".