2201531224 has 8 divisors (see below), whose sum is σ = 4127871060. Its totient is φ = 1100765608.

The previous prime is 2201531209. The next prime is 2201531231. The reversal of 2201531224 is 4221351022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2201531195 and 2201531204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137595694 + ... + 137595709.

Almost surely, 2^2201531224 is an apocalyptic number.

It is an amenable number.

2201531224 is a deficient number, since it is larger than the sum of its proper divisors (1926339836).

2201531224 is a wasteful number, since it uses less digits than its factorization.

2201531224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275191409 (or 275191405 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2201531224 is about 46920.4776616777. The cubic root of 2201531224 is about 1300.8931188183.

Adding to 2201531224 its reverse (4221351022), we get a palindrome (6422882246).

The spelling of 2201531224 in words is "two billion, two hundred one million, five hundred thirty-one thousand, two hundred twenty-four".