162221461822 has 12 divisors (see below), whose sum is σ = 283059897840. Its totient is φ = 69523483596.

The previous prime is 162221461771. The next prime is 162221461823. The reversal of 162221461822 is 228164122261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162221461823) 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, 827660422 + ... + 827660617.

It is an arithmetic number, because the mean of its divisors is an integer number (23588324820).

Almost surely, 2^162221461822 is an apocalyptic number.

162221461822 is a deficient number, since it is larger than the sum of its proper divisors (120838436018).

162221461822 is a wasteful number, since it uses less digits than its factorization.

162221461822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655321055 (or 1655321048 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The spelling of 162221461822 in words is "one hundred sixty-two billion, two hundred twenty-one million, four hundred sixty-one thousand, eight hundred twenty-two".