162224644 has 12 divisors (see below), whose sum is σ = 285799500. Its totient is φ = 80567648.

The previous prime is 162224611. The next prime is 162224651. The reversal of 162224644 is 446422261.

It is a happy number.

162224644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 87609600 + 74615044 = 9360^2 + 8638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135499 + ... + 136690.

It is an arithmetic number, because the mean of its divisors is an integer number (23816625).

Almost surely, 2^162224644 is an apocalyptic number.

It is an amenable number.

162224644 is a deficient number, since it is larger than the sum of its proper divisors (123574856).

162224644 is a wasteful number, since it uses less digits than its factorization.

162224644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272342 (or 272340 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 162224644 is about 12736.7438539055. The cubic root of 162224644 is about 545.3880400094.

The spelling of 162224644 in words is "one hundred sixty-two million, two hundred twenty-four thousand, six hundred forty-four".