33401022 has 32 divisors (see below), whose sum is σ = 71023392. Its totient is φ = 10435584.

The previous prime is 33401009. The next prime is 33401029. The reversal of 33401022 is 22010433.

It is a super-2 number, since 2×33401022² = 2231256541288968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33400992 and 33401010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33401029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31818 + ... + 32850.

It is an arithmetic number, because the mean of its divisors is an integer number (2219481).

Almost surely, 2^33401022 is an apocalyptic number.

33401022 is an abundant number, since it is smaller than the sum of its proper divisors (37622370).

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

33401022 is a wasteful number, since it uses less digits than its factorization.

33401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 33401022 is about 5779.3617294646. The cubic root of 33401022 is about 322.0474898772.

Adding to 33401022 its reverse (22010433), we get a palindrome (55411455).

The spelling of 33401022 in words is "thirty-three million, four hundred one thousand, twenty-two".