2224512531 has 16 divisors (see below), whose sum is σ = 3296409600. Its totient is φ = 1482632424.

The previous prime is 2224512529. The next prime is 2224512581. The reversal of 2224512531 is 1352154222.

It is not a de Polignac number, because 2224512531 - 2¹ = 2224512529 is a prime.

It is a super-2 number, since 2×2224512531² = 9896912001152051922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2224512495 and 2224512504.

It is not an unprimeable number, because it can be changed into a prime (2224512581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134730 + ... + 150336.

It is an arithmetic number, because the mean of its divisors is an integer number (206025600).

Almost surely, 2^2224512531 is an apocalyptic number.

2224512531 is a deficient number, since it is larger than the sum of its proper divisors (1071897069).

2224512531 is a wasteful number, since it uses less digits than its factorization.

2224512531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20895 (or 20889 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2224512531 is about 47164.7382161716. The cubic root of 2224512531 is about 1305.4040392477.

Adding to 2224512531 its reverse (1352154222), we get a palindrome (3576666753).

The spelling of 2224512531 in words is "two billion, two hundred twenty-four million, five hundred twelve thousand, five hundred thirty-one".