1230022200 has 192 divisors, whose sum is σ = 4183125120. Its totient is φ = 296512000.

The previous prime is 1230022193. The next prime is 1230022229. The reversal of 1230022200 is 22200321.

It is a super-2 number, since 2×1230022200² = 3025909224985680000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1497790 + ... + 1498610.

It is an arithmetic number, because the mean of its divisors is an integer number (21787110).

Almost surely, 2^1230022200 is an apocalyptic number.

1230022200 is a gapful number since it is divisible by the number (10) 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 1230022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091562560).

1230022200 is an abundant number, since it is smaller than the sum of its proper divisors (2953102920).

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

1230022200 is a wasteful number, since it uses less digits than its factorization.

1230022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1230022200 is about 35071.6723296737. The cubic root of 1230022200 is about 1071.4477157214.

Adding to 1230022200 its reverse (22200321), we get a palindrome (1252222521).

The spelling of 1230022200 in words is "one billion, two hundred thirty million, twenty-two thousand, two hundred".