1227726630 has 48 divisors (see below), whose sum is σ = 3437637840. Its totient is φ = 302209344.

The previous prime is 1227726613. The next prime is 1227726631. The reversal of 1227726630 is 366277221.

It is a happy number.

1227726630 is a `hidden beast` number, since 12 + 2 + 7 + 7 + 2 + 6 + 630 = 666.

It is a super-2 number, since 2×1227726630² = 3014625356022313800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227726631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523500 + ... + 525839.

It is an arithmetic number, because the mean of its divisors is an integer number (71617455).

Almost surely, 2^1227726630 is an apocalyptic number.

1227726630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1227726630 is an abundant number, since it is smaller than the sum of its proper divisors (2209911210).

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

1227726630 is a wasteful number, since it uses less digits than its factorization.

1227726630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049365 (or 1049362 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1227726630 is about 35038.9302062720. The cubic root of 1227726630 is about 1070.7807589477.

The spelling of 1227726630 in words is "one billion, two hundred twenty-seven million, seven hundred twenty-six thousand, six hundred thirty".