2247529749 has 4 divisors (see below), whose sum is σ = 2996706336. Its totient is φ = 1498353164.

The previous prime is 2247529733. The next prime is 2247529763. The reversal of 2247529749 is 9479257422.

It is a happy number.

2247529749 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2247529749 - 2⁴ = 2247529733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247529769) 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, 374588289 + ... + 374588294.

It is an arithmetic number, because the mean of its divisors is an integer number (749176584).

Almost surely, 2^2247529749 is an apocalyptic number.

It is an amenable number.

2247529749 is a deficient number, since it is larger than the sum of its proper divisors (749176587).

2247529749 is an equidigital number, since it uses as much as digits as its factorization.

2247529749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749176586.

The product of its digits is 2540160, while the sum is 51.

The square root of 2247529749 is about 47408.1190198472. The cubic root of 2247529749 is about 1309.8909741637.

It can be divided in two parts, 2247 and 529749, that added together give a triangular number (531996 = T₁₀₃₁).

The spelling of 2247529749 in words is "two billion, two hundred forty-seven million, five hundred twenty-nine thousand, seven hundred forty-nine".