33405122 has 4 divisors (see below), whose sum is σ = 50107686. Its totient is φ = 16702560.

The previous prime is 33405107. The next prime is 33405133. The reversal of 33405122 is 22150433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22150433 = 227 ⋅97579.

It can be written as a sum of positive squares in only one way, i.e., 33396841 + 8281 = 5779^2 + 91^2 .

It is a super-2 number, since 2×33405122² = 2231804351669768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33405094 and 33405103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8351279 + ... + 8351282.

Almost surely, 2^33405122 is an apocalyptic number.

33405122 is a deficient number, since it is larger than the sum of its proper divisors (16702564).

33405122 is a wasteful number, since it uses less digits than its factorization.

33405122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702563.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33405122 is about 5779.7164290301. The cubic root of 33405122 is about 322.0606665268.

Adding to 33405122 its reverse (22150433), we get a palindrome (55555555).

The spelling of 33405122 in words is "thirty-three million, four hundred five thousand, one hundred twenty-two".