222331985929 has 2 divisors, whose sum is σ = 222331985930. Its totient is φ = 222331985928.

The previous prime is 222331985923. The next prime is 222331985951. The reversal of 222331985929 is 929589133222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152765285904 + 69566700025 = 390852^2 + 263755^2 .

It is a cyclic number.

It is not a de Polignac number, because 222331985929 - 2¹³ = 222331977737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222331985929.

It is not a weakly prime, because it can be changed into another prime (222331985923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111165992964 + 111165992965.

It is an arithmetic number, because the mean of its divisors is an integer number (111165992965).

Almost surely, 2^222331985929 is an apocalyptic number.

It is an amenable number.

222331985929 is a deficient number, since it is larger than the sum of its proper divisors (1).

222331985929 is an equidigital number, since it uses as much as digits as its factorization.

222331985929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 222331985929 in words is "two hundred twenty-two billion, three hundred thirty-one million, nine hundred eighty-five thousand, nine hundred twenty-nine".