71222860801 has 4 divisors (see below), whose sum is σ = 71634553812. Its totient is φ = 70811167792.

The previous prime is 71222860789. The next prime is 71222860811. The reversal of 71222860801 is 10806822217.

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 68369698576 + 2853162225 = 261476^2 + 53415^2 .

It is a cyclic number.

It is not a de Polignac number, because 71222860801 - 2¹³ = 71222852609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71222860811) 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, 205846246 + ... + 205846591.

It is an arithmetic number, because the mean of its divisors is an integer number (17908638453).

Almost surely, 2^71222860801 is an apocalyptic number.

It is an amenable number.

71222860801 is a deficient number, since it is larger than the sum of its proper divisors (411693011).

71222860801 is a wasteful number, since it uses less digits than its factorization.

71222860801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411693010.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 71222860801 in words is "seventy-one billion, two hundred twenty-two million, eight hundred sixty thousand, eight hundred one".