1227822552 has 96 divisors (see below), whose sum is σ = 3841091280. Its totient is φ = 350177280.

The previous prime is 1227822527. The next prime is 1227822553. The reversal of 1227822552 is 2552287221.

1227822552 is a `hidden beast` number, since 1 + 2 + 27 + 82 + 2 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227822553) 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, 32133 + ... + 59060.

Almost surely, 2^1227822552 is an apocalyptic number.

1227822552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1227822552 is an abundant number, since it is smaller than the sum of its proper divisors (2613268728).

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

1227822552 is a wasteful number, since it uses less digits than its factorization.

1227822552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91233 (or 91226 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 1227822552 is about 35040.2989713273. The cubic root of 1227822552 is about 1070.8086448398.

The spelling of 1227822552 in words is "one billion, two hundred twenty-seven million, eight hundred twenty-two thousand, five hundred fifty-two".