224959861 has 24 divisors (see below), whose sum is σ = 278389440. Its totient is φ = 177407616.

The previous prime is 224959859. The next prime is 224959897. The reversal of 224959861 is 168959422.

It is not a de Polignac number, because 224959861 - 2¹ = 224959859 is a prime.

It is a super-2 number, since 2×224959861² = 101213878122278642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224959831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1256670 + ... + 1256848.

It is an arithmetic number, because the mean of its divisors is an integer number (11599560).

Almost surely, 2^224959861 is an apocalyptic number.

It is an amenable number.

224959861 is a deficient number, since it is larger than the sum of its proper divisors (53429579).

224959861 is an equidigital number, since it uses as much as digits as its factorization.

224959861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 262 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 224959861 is about 14998.6619736562. The cubic root of 224959861 is about 608.1840294796.

The spelling of 224959861 in words is "two hundred twenty-four million, nine hundred fifty-nine thousand, eight hundred sixty-one".