2245187501 has 8 divisors (see below), whose sum is σ = 2381829624. Its totient is φ = 2109053440.

The previous prime is 2245187473. The next prime is 2245187521. The reversal of 2245187501 is 1057815422.

It can be written as a sum of positive squares in 4 ways, for example, as 1108823401 + 1136364100 = 33299^2 + 33710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245187501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245187521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117890 + ... + 135603.

It is an arithmetic number, because the mean of its divisors is an integer number (297728703).

Almost surely, 2^2245187501 is an apocalyptic number.

It is an amenable number.

2245187501 is a deficient number, since it is larger than the sum of its proper divisors (136642123).

2245187501 is a wasteful number, since it uses less digits than its factorization.

2245187501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254031.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2245187501 is about 47383.4095543999. The cubic root of 2245187501 is about 1309.4357846488.

The spelling of 2245187501 in words is "two billion, two hundred forty-five million, one hundred eighty-seven thousand, five hundred one".