10226440 has 32 divisors (see below), whose sum is σ = 26297280. Its totient is φ = 3506112.

The previous prime is 10226431. The next prime is 10226441. The reversal of 10226440 is 4462201.

It is not an unprimeable number, because it can be changed into a prime (10226441) 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, 17982 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (821790).

Almost surely, 2^10226440 is an apocalyptic number.

10226440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10226440 is an abundant number, since it is smaller than the sum of its proper divisors (16070840).

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

10226440 is a wasteful number, since it uses less digits than its factorization.

10226440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36541 (or 36537 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 10226440 is about 3197.8805481131. The cubic root of 10226440 is about 217.0575141143.

Adding to 10226440 its reverse (4462201), we get a palindrome (14688641).

The spelling of 10226440 in words is "ten million, two hundred twenty-six thousand, four hundred forty".