1227196044 has 18 divisors (see below), whose sum is σ = 3102078980. Its totient is φ = 409065336.

The previous prime is 1227196013. The next prime is 1227196081. The reversal of 1227196044 is 4406917221.

It is a happy number.

1227196044 is a `hidden beast` number, since 12 + 27 + 19 + 604 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 34088779 = 1227196044 / (1 + 2 + 2 + 7 + 1 + 9 + 6 + 0 + 4 + 4).

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, 17044354 + ... + 17044425.

Almost surely, 2^1227196044 is an apocalyptic number.

It is an amenable number.

1227196044 is an abundant number, since it is smaller than the sum of its proper divisors (1874882936).

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

1227196044 is a wasteful number, since it uses less digits than its factorization.

1227196044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34088789 (or 34088784 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1227196044 is about 35031.3580096462. The cubic root of 1227196044 is about 1070.6264837939.

The spelling of 1227196044 in words is "one billion, two hundred twenty-seven million, one hundred ninety-six thousand, forty-four".