2231510452 has 6 divisors (see below), whose sum is σ = 3905143298. Its totient is φ = 1115755224.

The previous prime is 2231510443. The next prime is 2231510467. The reversal of 2231510452 is 2540151322.

It can be written as a sum of positive squares in only one way, i.e., 1977936676 + 253573776 = 44474^2 + 15924^2 .

It is a super-3 number, since 3×2231510452³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278938803 + ... + 278938810.

Almost surely, 2^2231510452 is an apocalyptic number.

It is an amenable number.

2231510452 is a deficient number, since it is larger than the sum of its proper divisors (1673632846).

2231510452 is a wasteful number, since it uses less digits than its factorization.

2231510452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557877617 (or 557877615 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2231510452 is about 47238.8659050998. The cubic root of 2231510452 is about 1306.7714627124.

Adding to 2231510452 its reverse (2540151322), we get a palindrome (4771661774).

The spelling of 2231510452 in words is "two billion, two hundred thirty-one million, five hundred ten thousand, four hundred fifty-two".