2153224531 has 8 divisors (see below), whose sum is σ = 2165641920. Its totient is φ = 2140834752.

The previous prime is 2153224523. The next prime is 2153224537. The reversal of 2153224531 is 1354223512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2153224531 - 2³ = 2153224523 is a prime.

It is a super-2 number, since 2×2153224531² = 9272751761800339922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153224531.

It is not an unprimeable number, because it can be changed into a prime (2153224537) 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, 161101 + ... + 173953.

It is an arithmetic number, because the mean of its divisors is an integer number (270705240).

Almost surely, 2^2153224531 is an apocalyptic number.

2153224531 is a deficient number, since it is larger than the sum of its proper divisors (12417389).

2153224531 is a wasteful number, since it uses less digits than its factorization.

2153224531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805.

The product of its digits is 7200, while the sum is 28.

The square root of 2153224531 is about 46402.8504620136. The cubic root of 2153224531 is about 1291.3077959628.

The spelling of 2153224531 in words is "two billion, one hundred fifty-three million, two hundred twenty-four thousand, five hundred thirty-one".