1227825700 has 18 divisors (see below), whose sum is σ = 2664381986. Its totient is φ = 491130240.

The previous prime is 1227825689. The next prime is 1227825769. The reversal of 1227825700 is 75287221.

It can be written as a sum of positive squares in 3 ways, for example, as 20124196 + 1207701504 = 4486^2 + 34752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6139029 + ... + 6139228.

Almost surely, 2^1227825700 is an apocalyptic number.

1227825700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227825700 is an abundant number, since it is smaller than the sum of its proper divisors (1436556286).

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

1227825700 is a wasteful number, since it uses less digits than its factorization.

1227825700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12278271 (or 12278264 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1227825700 is about 35040.3438910065. The cubic root of 1227825700 is about 1070.8095599837.

The spelling of 1227825700 in words is "one billion, two hundred twenty-seven million, eight hundred twenty-five thousand, seven hundred".