2252726661 has 8 divisors (see below), whose sum is σ = 3180320064. Its totient is φ = 1413475520.

The previous prime is 2252726657. The next prime is 2252726669. The reversal of 2252726661 is 1666272522.

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 2252726661 - 2² = 2252726657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252726669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22085505 + ... + 22085606.

It is an arithmetic number, because the mean of its divisors is an integer number (397540008).

Almost surely, 2^2252726661 is an apocalyptic number.

It is an amenable number.

2252726661 is a deficient number, since it is larger than the sum of its proper divisors (927593403).

2252726661 is a wasteful number, since it uses less digits than its factorization.

2252726661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44171131.

The product of its digits is 120960, while the sum is 39.

The square root of 2252726661 is about 47462.8977307539. The cubic root of 2252726661 is about 1310.8998073799.

The spelling of 2252726661 in words is "two billion, two hundred fifty-two million, seven hundred twenty-six thousand, six hundred sixty-one".