22030902 has 12 divisors (see below), whose sum is σ = 47733660. Its totient is φ = 7343628.

The previous prime is 22030901. The next prime is 22030907. The reversal of 22030902 is 20903022.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1223939 = 22030902 / (2 + 2 + 0 + 3 + 0 + 9 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611952 + ... + 611987.

It is an arithmetic number, because the mean of its divisors is an integer number (3977805).

Almost surely, 2^22030902 is an apocalyptic number.

22030902 is an abundant number, since it is smaller than the sum of its proper divisors (25702758).

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

22030902 is a wasteful number, since it uses less digits than its factorization.

22030902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223947 (or 1223944 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22030902 is about 4693.7087681278. The cubic root of 22030902 is about 280.3350665643.

Adding to 22030902 its reverse (20903022), we get a palindrome (42933924).

The spelling of 22030902 in words is "twenty-two million, thirty thousand, nine hundred two".