22214900 has 18 divisors (see below), whose sum is σ = 48206550. Its totient is φ = 8885920.

The previous prime is 22214893. The next prime is 22214909. The reversal of 22214900 is 941222.

It can be written as a sum of positive squares in 3 ways, for example, as 1073296 + 21141604 = 1036^2 + 4598^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214909) 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, 110975 + ... + 111174.

Almost surely, 2^22214900 is an apocalyptic number.

22214900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22214900 is an abundant number, since it is smaller than the sum of its proper divisors (25991650).

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

22214900 is a wasteful number, since it uses less digits than its factorization.

22214900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222163 (or 222156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22214900 is about 4713.2685049761. The cubic root of 22214900 is about 281.1133393681.

The spelling of 22214900 in words is "twenty-two million, two hundred fourteen thousand, nine hundred".