1022543226 has 24 divisors (see below), whose sum is σ = 2216104020. Its totient is φ = 340756416.

The previous prime is 1022543191. The next prime is 1022543227. The reversal of 1022543226 is 6223452201.

It is a happy number.

1022543226 is a `hidden beast` number, since 1 + 0 + 225 + 432 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1010286225 + 12257001 = 31785^2 + 3501^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022543226.

It is not an unprimeable number, because it can be changed into a prime (1022543227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113620 + ... + 122288.

Almost surely, 2^1022543226 is an apocalyptic number.

1022543226 is an abundant number, since it is smaller than the sum of its proper divisors (1193560794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022543226 is a wasteful number, since it uses less digits than its factorization.

1022543226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230 (or 15227 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1022543226 is about 31977.2298049722. The cubic root of 1022543226 is about 1007.4586390588.

Adding to 1022543226 its reverse (6223452201), we get a palindrome (7245995427).

The spelling of 1022543226 in words is "one billion, twenty-two million, five hundred forty-three thousand, two hundred twenty-six".