1055638223 has 2 divisors, whose sum is σ = 1055638224. Its totient is φ = 1055638222.

The previous prime is 1055638201. The next prime is 1055638301. The reversal of 1055638223 is 3228365501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055638223 is a prime.

It is a super-2 number, since 2×1055638223² = 2228744115717195458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055632223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527819111 + 527819112.

It is an arithmetic number, because the mean of its divisors is an integer number (527819112).

Almost surely, 2^1055638223 is an apocalyptic number.

1055638223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055638223 is an equidigital number, since it uses as much as digits as its factorization.

1055638223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1055638223 is about 32490.5866829148. The cubic root of 1055638223 is about 1018.2123702792.

The spelling of 1055638223 in words is "one billion, fifty-five million, six hundred thirty-eight thousand, two hundred twenty-three".