4222647261 has 32 divisors (see below), whose sum is σ = 7166572800. Its totient is φ = 2407164480.

The previous prime is 4222647239. The next prime is 4222647293. The reversal of 4222647261 is 1627462224.

4222647261 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 647 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 4222647261 - 2⁶ = 4222647197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222647661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53035 + ... + 106103.

It is an arithmetic number, because the mean of its divisors is an integer number (223955400).

Almost surely, 2^4222647261 is an apocalyptic number.

It is an amenable number.

4222647261 is a deficient number, since it is larger than the sum of its proper divisors (2943925539).

4222647261 is a wasteful number, since it uses less digits than its factorization.

4222647261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53506 (or 53500 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 4222647261 is about 64981.8994874727. The cubic root of 4222647261 is about 1616.3234284931.

The spelling of 4222647261 in words is "four billion, two hundred twenty-two million, six hundred forty-seven thousand, two hundred sixty-one".