33522572 has 12 divisors (see below), whose sum is σ = 62115480. Its totient is φ = 15775296.

The previous prime is 33522571. The next prime is 33522581. The reversal of 33522572 is 27522533.

It is a happy number.

It is a super-2 number, since 2×33522572² = 2247525666990368, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (33522571) 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, 246422 + ... + 246557.

It is an arithmetic number, because the mean of its divisors is an integer number (5176290).

Almost surely, 2^33522572 is an apocalyptic number.

It is an amenable number.

33522572 is a deficient number, since it is larger than the sum of its proper divisors (28592908).

33522572 is a wasteful number, since it uses less digits than its factorization.

33522572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493000 (or 492998 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 33522572 is about 5789.8680468556. The cubic root of 33522572 is about 322.4376723891.

The spelling of 33522572 in words is "thirty-three million, five hundred twenty-two thousand, five hundred seventy-two".