224521101 has 48 divisors (see below), whose sum is σ = 391322880. Its totient is φ = 121271040.

The previous prime is 224521079. The next prime is 224521117. The reversal of 224521101 is 101125422.

It is not a de Polignac number, because 224521101 - 2⁷ = 224520973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224522101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128091 + ... + 129831.

It is an arithmetic number, because the mean of its divisors is an integer number (8152560).

Almost surely, 2^224521101 is an apocalyptic number.

224521101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224521101 is a deficient number, since it is larger than the sum of its proper divisors (166801779).

224521101 is a wasteful number, since it uses less digits than its factorization.

224521101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 224521101 is about 14984.0281967167. The cubic root of 224521101 is about 607.7883729728.

Adding to 224521101 its reverse (101125422), we get a palindrome (325646523).

The spelling of 224521101 in words is "two hundred twenty-four million, five hundred twenty-one thousand, one hundred one".