22054830 has 32 divisors (see below), whose sum is σ = 60493824. Its totient is φ = 5041056.

The previous prime is 22054817. The next prime is 22054841. The reversal of 22054830 is 3845022.

It is a self number, because there is not a number n which added to its sum of digits gives 22054830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52302 + ... + 52721.

It is an arithmetic number, because the mean of its divisors is an integer number (1890432).

Almost surely, 2^22054830 is an apocalyptic number.

22054830 is an abundant number, since it is smaller than the sum of its proper divisors (38438994).

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

22054830 is a wasteful number, since it uses less digits than its factorization.

22054830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105040.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22054830 is about 4696.2570202237. The cubic root of 22054830 is about 280.4365214880.

Adding to 22054830 its reverse (3845022), we get a palindrome (25899852).

The spelling of 22054830 in words is "twenty-two million, fifty-four thousand, eight hundred thirty".