1063645227 has 24 divisors (see below), whose sum is σ = 1563865680. Its totient is φ = 696444480.

The previous prime is 1063645207. The next prime is 1063645229. The reversal of 1063645227 is 7225463601.

1063645227 is a `hidden beast` number, since 1 + 0 + 6 + 3 + 645 + 2 + 2 + 7 = 666.

It is not a de Polignac number, because 1063645227 - 2¹⁴ = 1063628843 is a prime.

It is a super-2 number, since 2×1063645227² = 2262682337839763058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1063645191 and 1063645200.

It is not an unprimeable number, because it can be changed into a prime (1063645229) 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, 607968 + ... + 609714.

It is an arithmetic number, because the mean of its divisors is an integer number (65161070).

Almost surely, 2^1063645227 is an apocalyptic number.

1063645227 is a deficient number, since it is larger than the sum of its proper divisors (500220453).

1063645227 is a wasteful number, since it uses less digits than its factorization.

1063645227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1063645227 is about 32613.5742751389. The cubic root of 1063645227 is about 1020.7802651400.

The spelling of 1063645227 in words is "one billion, sixty-three million, six hundred forty-five thousand, two hundred twenty-seven".