2214152531 has 4 divisors (see below), whose sum is σ = 2251680600. Its totient is φ = 2176624464.

The previous prime is 2214152519. The next prime is 2214152653. The reversal of 2214152531 is 1352514122.

2214152531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2214152531 - 2⁶ = 2214152467 is a prime.

It is a super-2 number, since 2×2214152531² = 9804942861067411922, 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 2214152531.

It is not an unprimeable number, because it can be changed into a prime (2214152231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18763946 + ... + 18764063.

It is an arithmetic number, because the mean of its divisors is an integer number (562920150).

Almost surely, 2^2214152531 is an apocalyptic number.

2214152531 is a deficient number, since it is larger than the sum of its proper divisors (37528069).

2214152531 is an equidigital number, since it uses as much as digits as its factorization.

2214152531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37528068.

The product of its digits is 2400, while the sum is 26.

The square root of 2214152531 is about 47054.7822330526. The cubic root of 2214152531 is about 1303.3743758520.

Adding to 2214152531 its reverse (1352514122), we get a palindrome (3566666653).

The spelling of 2214152531 in words is "two billion, two hundred fourteen million, one hundred fifty-two thousand, five hundred thirty-one".