224255140 has 24 divisors (see below), whose sum is σ = 471240000. Its totient is φ = 89644128.

The previous prime is 224255131. The next prime is 224255149. The reversal of 224255140 is 41552422.

It is an interprime number because it is at equal distance from previous prime (224255131) and next prime (224255149).

It is not an unprimeable number, because it can be changed into a prime (224255149) 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, 42361 + ... + 47359.

It is an arithmetic number, because the mean of its divisors is an integer number (19635000).

Almost surely, 2^224255140 is an apocalyptic number.

224255140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224255140 is an abundant number, since it is smaller than the sum of its proper divisors (246984860).

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

224255140 is a wasteful number, since it uses less digits than its factorization.

224255140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 224255140 is about 14975.1507504933. The cubic root of 224255140 is about 607.5482888224.

The spelling of 224255140 in words is "two hundred twenty-four million, two hundred fifty-five thousand, one hundred forty".