22420030 has 32 divisors (see below), whose sum is σ = 41731200. Its totient is φ = 8666880.

The previous prime is 22420003. The next prime is 22420033. The reversal of 22420030 is 3002422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420033) 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 15 ways as a sum of consecutive naturals, for example, 60907 + ... + 61273.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^22420030 is an apocalyptic number.

22420030 is a deficient number, since it is larger than the sum of its proper divisors (19311170).

22420030 is a wasteful number, since it uses less digits than its factorization.

22420030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 22420030 is about 4734.9794086141. The cubic root of 22420030 is about 281.9759465090.

Adding to 22420030 its reverse (3002422), we get a palindrome (25422452).

The spelling of 22420030 in words is "twenty-two million, four hundred twenty thousand, thirty".