22002430 has 16 divisors (see below), whose sum is σ = 39667824. Its totient is φ = 8786880.

The previous prime is 22002391. The next prime is 22002433. The reversal of 22002430 is 3420022.

It is a self number, because there is not a number n which added to its sum of digits gives 22002430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6754 + ... + 9466.

It is an arithmetic number, because the mean of its divisors is an integer number (2479239).

Almost surely, 2^22002430 is an apocalyptic number.

22002430 is a deficient number, since it is larger than the sum of its proper divisors (17665394).

22002430 is a wasteful number, since it uses less digits than its factorization.

22002430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531.

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

The square root of 22002430 is about 4690.6747915412. The cubic root of 22002430 is about 280.2142492851.

Adding to 22002430 its reverse (3420022), we get a palindrome (25422452).

The spelling of 22002430 in words is "twenty-two million, two thousand, four hundred thirty".