1226671600 has 120 divisors (see below), whose sum is σ = 3674371968. Its totient is φ = 382329600.

The previous prime is 1226671583. The next prime is 1226671637. The reversal of 1226671600 is 61766221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10887 + ... + 50713.

Almost surely, 2^1226671600 is an apocalyptic number.

1226671600 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 1226671600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837185984).

1226671600 is an abundant number, since it is smaller than the sum of its proper divisors (2447700368).

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

1226671600 is a wasteful number, since it uses less digits than its factorization.

1226671600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39863 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1226671600 is about 35023.8718590621. The cubic root of 1226671600 is about 1070.4739508060.

The spelling of 1226671600 in words is "one billion, two hundred twenty-six million, six hundred seventy-one thousand, six hundred".