222990510971 has 4 divisors (see below), whose sum is σ = 224692728744. Its totient is φ = 221288293200.

The previous prime is 222990510949. The next prime is 222990511027. The reversal of 222990510971 is 179015099222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222990510971 - 2²² = 222986316667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222990519971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851108690 + ... + 851108951.

It is an arithmetic number, because the mean of its divisors is an integer number (56173182186).

Almost surely, 2^222990510971 is an apocalyptic number.

222990510971 is a deficient number, since it is larger than the sum of its proper divisors (1702217773).

222990510971 is a wasteful number, since it uses less digits than its factorization.

222990510971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702217772.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 222990510971 in words is "two hundred twenty-two billion, nine hundred ninety million, five hundred ten thousand, nine hundred seventy-one".