222120323029 has 6 divisors (see below), whose sum is σ = 244148784950. Its totient is φ = 201927566280.

The previous prime is 222120322999. The next prime is 222120323057. The reversal of 222120323029 is 920323021222.

It can be written as a sum of positive squares in only one way, i.e., 221466242404 + 654080625 = 470602^2 + 25575^2 .

It is not a de Polignac number, because 222120323029 - 2⁵ = 222120322997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120322988 and 222120323006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120323059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 917852454 + ... + 917852695.

Almost surely, 2^222120323029 is an apocalyptic number.

It is an amenable number.

222120323029 is a deficient number, since it is larger than the sum of its proper divisors (22028461921).

222120323029 is a wasteful number, since it uses less digits than its factorization.

222120323029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835705171 (or 1835705160 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 222120323029 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-three thousand, twenty-nine".