1225594200 has 48 divisors (see below), whose sum is σ = 3799343880. Its totient is φ = 326824960.

The previous prime is 1225594189. The next prime is 1225594241. The reversal of 1225594200 is 24955221.

It is a super-2 number, since 2×1225594200² = 3004162286147280000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020729 + ... + 1021928.

Almost surely, 2^1225594200 is an apocalyptic number.

1225594200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225594200 is an abundant number, since it is smaller than the sum of its proper divisors (2573749680).

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

1225594200 is a wasteful number, since it uses less digits than its factorization.

1225594200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042676 (or 2042667 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1225594200 is about 35008.4875423089. The cubic root of 1225594200 is about 1070.1604557461.

The spelling of 1225594200 in words is "one billion, two hundred twenty-five million, five hundred ninety-four thousand, two hundred".