1226625000 has 112 divisors (see below), whose sum is σ = 3834325920. Its totient is φ = 327000000.

The previous prime is 1226624939. The next prime is 1226625077. The reversal of 1226625000 is 5266221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 373365 + ... + 376635.

Almost surely, 2^1226625000 is an apocalyptic number.

1226625000 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 1226625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917162960).

1226625000 is an abundant number, since it is smaller than the sum of its proper divisors (2607700920).

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

1226625000 is an frugal number, since it uses more digits than its factorization.

1226625000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1226625000 is about 35023.2065922011. The cubic root of 1226625000 is about 1070.4603952307.

The spelling of 1226625000 in words is "one billion, two hundred twenty-six million, six hundred twenty-five thousand".