33822401 has 4 divisors (see below), whose sum is σ = 35811972. Its totient is φ = 31832832.

The previous prime is 33822391. The next prime is 33822409. The reversal of 33822401 is 10422833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19571776 + 14250625 = 4424^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 33822401 - 2¹⁸ = 33560257 is a prime.

It is a super-2 number, since 2×33822401² = 2287909618809602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33822409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994760 + ... + 994793.

It is an arithmetic number, because the mean of its divisors is an integer number (8952993).

Almost surely, 2^33822401 is an apocalyptic number.

It is an amenable number.

33822401 is a deficient number, since it is larger than the sum of its proper divisors (1989571).

33822401 is a wasteful number, since it uses less digits than its factorization.

33822401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989570.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 33822401 is about 5815.7029669680. The cubic root of 33822401 is about 323.3961247189.

The spelling of 33822401 in words is "thirty-three million, eight hundred twenty-two thousand, four hundred one".