162022309 has 8 divisors (see below), whose sum is σ = 163422360. Its totient is φ = 160628736.

The previous prime is 162022307. The next prime is 162022339. The reversal of 162022309 is 903220261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 145130209 + 16892100 = 12047^2 + 4110^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162022309 - 2¹ = 162022307 is a prime.

It is a super-2 number, since 2×162022309² = 52502457227382962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162022307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57477 + ... + 60229.

It is an arithmetic number, because the mean of its divisors is an integer number (20427795).

Almost surely, 2^162022309 is an apocalyptic number.

It is an amenable number.

162022309 is a deficient number, since it is larger than the sum of its proper divisors (1400051).

162022309 is a wasteful number, since it uses less digits than its factorization.

162022309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 162022309 is about 12728.7984114762. The cubic root of 162022309 is about 545.1612002463.

The spelling of 162022309 in words is "one hundred sixty-two million, twenty-two thousand, three hundred nine".