222711317929 has 3 divisors (see below), whose sum is σ = 222711789853. Its totient is φ = 222710846006.

The previous prime is 222711317923. The next prime is 222711317977. The reversal of 222711317929 is 929713117222.

The square root of 222711317929 is 471923.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 222711317929 - 2²⁹ = 222174447017 is a prime.

It is a super-2 number, since 2×222711317929² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222711317923) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 235962 + ... + 707884.

Almost surely, 2^222711317929 is an apocalyptic number.

222711317929 is the 471923-rd square number.

222711317929 is the 235962-nd centered octagonal number.

It is an amenable number.

222711317929 is a deficient number, since it is larger than the sum of its proper divisors (471924).

222711317929 is an frugal number, since it uses more digits than its factorization.

222711317929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943846 (or 471923 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The spelling of 222711317929 in words is "two hundred twenty-two billion, seven hundred eleven million, three hundred seventeen thousand, nine hundred twenty-nine".