10226540 has 12 divisors (see below), whose sum is σ = 21475776. Its totient is φ = 4090608.

The previous prime is 10226539. The next prime is 10226543. The reversal of 10226540 is 4562201.

10226540 = 486² + 487² + ... + 525².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 511327 = 10226540 / (1 + 0 + 2 + 2 + 6 + 5 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (10226543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255644 + ... + 255683.

It is an arithmetic number, because the mean of its divisors is an integer number (1789648).

Almost surely, 2^10226540 is an apocalyptic number.

10226540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10226540 is an abundant number, since it is smaller than the sum of its proper divisors (11249236).

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

10226540 is a wasteful number, since it uses less digits than its factorization.

10226540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511336 (or 511334 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10226540 is about 3197.8961834306. The cubic root of 10226540 is about 217.0582216163.

Adding to 10226540 its reverse (4562201), we get a palindrome (14788741).

The spelling of 10226540 in words is "ten million, two hundred twenty-six thousand, five hundred forty".