222221300 has 36 divisors (see below), whose sum is σ = 551110560. Its totient is φ = 76189920.

The previous prime is 222221281. The next prime is 222221309. The reversal of 222221300 is 3122222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158030 + ... + 159429.

Almost surely, 2^222221300 is an apocalyptic number.

222221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221300 is an abundant number, since it is smaller than the sum of its proper divisors (328889260).

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

222221300 is a wasteful number, since it uses less digits than its factorization.

222221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317480 (or 317473 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222221300 is about 14907.0889176928. The cubic root of 222221300 is about 605.7060263817.

Adding to 222221300 its reverse (3122222), we get a palindrome (225343522).

The spelling of 222221300 in words is "two hundred twenty-two million, two hundred twenty-one thousand, three hundred".