1022556223 has 4 divisors (see below), whose sum is σ = 1101214408. Its totient is φ = 943898040.

The previous prime is 1022556221. The next prime is 1022556247. The reversal of 1022556223 is 3226552201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3226552201 = 2287 ⋅1410823.

It is a cyclic number.

It is not a de Polignac number, because 1022556223 - 2¹ = 1022556221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022556191 and 1022556200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022556221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39329073 + ... + 39329098.

It is an arithmetic number, because the mean of its divisors is an integer number (275303602).

Almost surely, 2^1022556223 is an apocalyptic number.

1022556223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022556223 is a deficient number, since it is larger than the sum of its proper divisors (78658185).

1022556223 is an equidigital number, since it uses as much as digits as its factorization.

1022556223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78658184.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1022556223 is about 31977.4330270583. The cubic root of 1022556223 is about 1007.4629074633.

The spelling of 1022556223 in words is "one billion, twenty-two million, five hundred fifty-six thousand, two hundred twenty-three".