164222633 has 6 divisors (see below), whose sum is σ = 168132474. Its totient is φ = 160401696.

The previous prime is 164222629. The next prime is 164222657. The reversal of 164222633 is 336222461.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 28430224 = 11653^2 + 5332^2 .

It is not a de Polignac number, because 164222633 - 2² = 164222629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164222596 and 164222605.

It is not an unprimeable number, because it can be changed into a prime (164222603) 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, 42560 + ... + 46257.

It is an arithmetic number, because the mean of its divisors is an integer number (28022079).

Almost surely, 2^164222633 is an apocalyptic number.

It is an amenable number.

164222633 is a deficient number, since it is larger than the sum of its proper divisors (3909841).

164222633 is an frugal number, since it uses more digits than its factorization.

164222633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88903 (or 88860 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 164222633 is about 12814.9378851401. The cubic root of 164222633 is about 547.6179439127.

The spelling of 164222633 in words is "one hundred sixty-four million, two hundred twenty-two thousand, six hundred thirty-three".