1023040226 has 16 divisors (see below), whose sum is σ = 1671175800. Its totient is φ = 466866048.

The previous prime is 1023040223. The next prime is 1023040231. The reversal of 1023040226 is 6220403201.

It is a Cunningham number, because it is equal to 31985²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 575760025 + 447280201 = 23995^2 + 21149^2 .

It is a super-2 number, since 2×1023040226² = 2093222608028262152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1023040198 and 1023040207.

It is not an unprimeable number, because it can be changed into a prime (1023040223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218741 + ... + 223368.

Almost surely, 2^1023040226 is an apocalyptic number.

1023040226 is a deficient number, since it is larger than the sum of its proper divisors (648135574).

1023040226 is a wasteful number, since it uses less digits than its factorization.

1023040226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442213.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1023040226 is about 31985.0000156323. Note that the first 4 decimals coincide. The cubic root of 1023040226 is about 1007.6218353688.

Adding to 1023040226 its reverse (6220403201), we get a palindrome (7243443427).

The spelling of 1023040226 in words is "one billion, twenty-three million, forty thousand, two hundred twenty-six".