162022989 has 16 divisors (see below), whose sum is σ = 219532544. Its totient is φ = 106272000.

The previous prime is 162022969. The next prime is 162022999. The reversal of 162022989 is 989220261.

It is not a de Polignac number, because 162022989 - 2⁹ = 162022477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162022919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131004 + ... + 132234.

It is an arithmetic number, because the mean of its divisors is an integer number (13720784).

Almost surely, 2^162022989 is an apocalyptic number.

It is an amenable number.

162022989 is a deficient number, since it is larger than the sum of its proper divisors (57509555).

162022989 is a wasteful number, since it uses less digits than its factorization.

162022989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 162022989 is about 12728.8251225319. The cubic root of 162022989 is about 545.1619629172.

It can be divided in two parts, 16202 and 2989, that added together give a palindrome (19191).

The spelling of 162022989 in words is "one hundred sixty-two million, twenty-two thousand, nine hundred eighty-nine".