1066054223 has 16 divisors (see below), whose sum is σ = 1220244480. Its totient is φ = 923184864.

The previous prime is 1066054217. The next prime is 1066054277. The reversal of 1066054223 is 3224506601.

It is a cyclic number.

It is not a de Polignac number, because 1066054223 - 2¹⁶ = 1065988687 is a prime.

It is a super-2 number, since 2×1066054223² = 2272943212752267458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066054723) 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, 4490 + ... + 46392.

It is an arithmetic number, because the mean of its divisors is an integer number (76265280).

Almost surely, 2^1066054223 is an apocalyptic number.

1066054223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1066054223 is a deficient number, since it is larger than the sum of its proper divisors (154190257).

1066054223 is a wasteful number, since it uses less digits than its factorization.

1066054223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42038.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1066054223 is about 32650.4858003675. The cubic root of 1066054223 is about 1021.5503218539.

The spelling of 1066054223 in words is "one billion, sixty-six million, fifty-four thousand, two hundred twenty-three".