222630000 has 200 divisors, whose sum is σ = 740275536. Its totient is φ = 57600000.

The previous prime is 222629971. The next prime is 222630007. The reversal of 222630000 is 36222.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222630007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1229910 + ... + 1230090.

Almost surely, 2^222630000 is an apocalyptic number.

222630000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370137768).

222630000 is an abundant number, since it is smaller than the sum of its proper divisors (517645536).

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

222630000 is a wasteful number, since it uses less digits than its factorization.

222630000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222630000 is about 14920.7908637579. The cubic root of 222630000 is about 606.0771285900.

Adding to 222630000 its reverse (36222), we get a palindrome (222666222).

The spelling of 222630000 in words is "two hundred twenty-two million, six hundred thirty thousand".