1222587300 has 576 divisors, whose sum is σ = 4559708160. Its totient is φ = 248832000.

The previous prime is 1222587253. The next prime is 1222587347. The reversal of 1222587300 is 37852221.

It is an interprime number because it is at equal distance from previous prime (1222587253) and next prime (1222587347).

It is a super-2 number, since 2×1222587300² = 2989439412242580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33042882 + ... + 33042918.

It is an arithmetic number, because the mean of its divisors is an integer number (7916160).

Almost surely, 2^1222587300 is an apocalyptic number.

1222587300 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 1222587300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279854080).

1222587300 is an abundant number, since it is smaller than the sum of its proper divisors (3337120860).

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

1222587300 is a wasteful number, since it uses less digits than its factorization.

1222587300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1222587300 is about 34965.5158692103. The cubic root of 1222587300 is about 1069.2845539015.

The spelling of 1222587300 in words is "one billion, two hundred twenty-two million, five hundred eighty-seven thousand, three hundred".