22270430 has 32 divisors (see below), whose sum is σ = 49339584. Its totient is φ = 7047936.

The previous prime is 22270427. The next prime is 22270439. The reversal of 22270430 is 3407222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22270439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11327 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (1541862).

Almost surely, 2^22270430 is an apocalyptic number.

22270430 is an abundant number, since it is smaller than the sum of its proper divisors (27069154).

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

22270430 is a wasteful number, since it uses less digits than its factorization.

22270430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24500.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22270430 is about 4719.1556448161. The cubic root of 22270430 is about 281.3473750070.

Adding to 22270430 its reverse (3407222), we get a palindrome (25677652).

The spelling of 22270430 in words is "twenty-two million, two hundred seventy thousand, four hundred thirty".