33222761 has 16 divisors (see below), whose sum is σ = 39197760. Its totient is φ = 27760320.

The previous prime is 33222757. The next prime is 33222799. The reversal of 33222761 is 16722233.

It is a cyclic number.

It is not a de Polignac number, because 33222761 - 2² = 33222757 is a prime.

It is a super-2 number, since 2×33222761² = 2207503696926242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33222761.

It is not an unprimeable number, because it can be changed into a prime (33222701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53891 + ... + 54503.

It is an arithmetic number, because the mean of its divisors is an integer number (2449860).

Almost surely, 2^33222761 is an apocalyptic number.

It is an amenable number.

33222761 is a deficient number, since it is larger than the sum of its proper divisors (5974999).

33222761 is a wasteful number, since it uses less digits than its factorization.

33222761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 3024, while the sum is 26.

The square root of 33222761 is about 5763.9188925591. The cubic root of 33222761 is about 321.4735459514.

Adding to 33222761 its reverse (16722233), we get a palindrome (49944994).

The spelling of 33222761 in words is "thirty-three million, two hundred twenty-two thousand, seven hundred sixty-one".