162867228 has 24 divisors (see below), whose sum is σ = 382018560. Its totient is φ = 54004080.

The previous prime is 162867223. The next prime is 162867253. The reversal of 162867228 is 822768261.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 162867228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162867223) 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, 33238 + ... + 37821.

It is an arithmetic number, because the mean of its divisors is an integer number (15917440).

Almost surely, 2^162867228 is an apocalyptic number.

It is an amenable number.

162867228 is an abundant number, since it is smaller than the sum of its proper divisors (219151332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162867228 is a wasteful number, since it uses less digits than its factorization.

162867228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71257 (or 71255 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 162867228 is about 12761.9445226815. The cubic root of 162867228 is about 546.1071989600.

The spelling of 162867228 in words is "one hundred sixty-two million, eight hundred sixty-seven thousand, two hundred twenty-eight".