1066228477 has 16 divisors (see below), whose sum is σ = 1121812480. Its totient is φ = 1012143600.

The previous prime is 1066228469. The next prime is 1066228483. The reversal of 1066228477 is 7748226601.

It is a cyclic number.

It is not a de Polignac number, because 1066228477 - 2³ = 1066228469 is a prime.

It is a super-2 number, since 2×1066228477² = 2273686330331479058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066228777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397852 + ... + 400522.

It is an arithmetic number, because the mean of its divisors is an integer number (70113280).

Almost surely, 2^1066228477 is an apocalyptic number.

It is an amenable number.

1066228477 is a deficient number, since it is larger than the sum of its proper divisors (55584003).

1066228477 is a wasteful number, since it uses less digits than its factorization.

1066228477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 1066228477 is about 32653.1541661751. The cubic root of 1066228477 is about 1021.6059786638.

The spelling of 1066228477 in words is "one billion, sixty-six million, two hundred twenty-eight thousand, four hundred seventy-seven".