22234700 has 18 divisors (see below), whose sum is σ = 48249516. Its totient is φ = 8893840.

The previous prime is 22234699. The next prime is 22234703. The reversal of 22234700 is 743222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22234703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111074 + ... + 111273.

Almost surely, 2^22234700 is an apocalyptic number.

22234700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22234700 is an abundant number, since it is smaller than the sum of its proper divisors (26014816).

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

22234700 is a wasteful number, since it uses less digits than its factorization.

22234700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222361 (or 222354 counting only the distinct ones).

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

The square root of 22234700 is about 4715.3684903727. The cubic root of 22234700 is about 281.1968327483.

Adding to 22234700 its reverse (743222), we get a palindrome (22977922).

The spelling of 22234700 in words is "twenty-two million, two hundred thirty-four thousand, seven hundred".