33057422 has 4 divisors (see below), whose sum is σ = 49586136. Its totient is φ = 16528710.

The previous prime is 33057421. The next prime is 33057461. The reversal of 33057422 is 22475033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22475033 = 7 ⋅3210719.

It is a junction number, because it is equal to n+sod(n) for n = 33057391 and 33057400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33057421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264354 + ... + 8264357.

It is an arithmetic number, because the mean of its divisors is an integer number (12396534).

Almost surely, 2^33057422 is an apocalyptic number.

33057422 is a deficient number, since it is larger than the sum of its proper divisors (16528714).

33057422 is a wasteful number, since it uses less digits than its factorization.

33057422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528713.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 33057422 is about 5749.5584178265. The cubic root of 33057422 is about 320.9393686658.

The spelling of 33057422 in words is "thirty-three million, fifty-seven thousand, four hundred twenty-two".