2266621501 has 4 divisors (see below), whose sum is σ = 2268437500. Its totient is φ = 2264805504.

The previous prime is 2266621493. The next prime is 2266621613. The reversal of 2266621501 is 1051266622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 711502276 + 1555119225 = 26674^2 + 39435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266621501 - 2³ = 2266621493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266621001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906126 + ... + 908623.

It is an arithmetic number, because the mean of its divisors is an integer number (567109375).

Almost surely, 2^2266621501 is an apocalyptic number.

It is an amenable number.

2266621501 is a deficient number, since it is larger than the sum of its proper divisors (1815999).

2266621501 is a wasteful number, since it uses less digits than its factorization.

2266621501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815998.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2266621501 is about 47609.0485202130. The cubic root of 2266621501 is about 1313.5894991840.

The spelling of 2266621501 in words is "two billion, two hundred sixty-six million, six hundred twenty-one thousand, five hundred one".