10228440 has 32 divisors (see below), whose sum is σ = 30685680. Its totient is φ = 2727552.

The previous prime is 10228433. The next prime is 10228457. The reversal of 10228440 is 4482201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42499 + ... + 42738.

Almost surely, 2^10228440 is an apocalyptic number.

10228440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10228440 is an abundant number, since it is smaller than the sum of its proper divisors (20457240).

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

10228440 is a wasteful number, since it uses less digits than its factorization.

10228440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85251 (or 85247 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 10228440 is about 3198.1932399403. The cubic root of 10228440 is about 217.0716632783.

The spelling of 10228440 in words is "ten million, two hundred twenty-eight thousand, four hundred forty".