33161022 has 16 divisors (see below), whose sum is σ = 73691280. Its totient is φ = 11053656.

The previous prime is 33161021. The next prime is 33161057. The reversal of 33161022 is 22016133.

33161022 is a `hidden beast` number, since 3 + 31 + 610 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33160986 and 33161004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33161021) 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, 306993 + ... + 307100.

It is an arithmetic number, because the mean of its divisors is an integer number (4605705).

Almost surely, 2^33161022 is an apocalyptic number.

33161022 is an abundant number, since it is smaller than the sum of its proper divisors (40530258).

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

33161022 is a wasteful number, since it uses less digits than its factorization.

33161022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614104 (or 614098 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 33161022 is about 5758.5607576894. The cubic root of 33161022 is about 321.2742873531.

Adding to 33161022 its reverse (22016133), we get a palindrome (55177155).

The spelling of 33161022 in words is "thirty-three million, one hundred sixty-one thousand, twenty-two".