33226857 has 12 divisors (see below), whose sum is σ = 50817780. Its totient is φ = 20848128.

The previous prime is 33226849. The next prime is 33226861. The reversal of 33226857 is 75862233.

It can be written as a sum of positive squares in 2 ways, for example, as 18870336 + 14356521 = 4344^2 + 3789^2 .

It is not a de Polignac number, because 33226857 - 2³ = 33226849 is a prime.

It is a super-2 number, since 2×33226857² = 2208048052196898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33226807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108432 + ... + 108737.

It is an arithmetic number, because the mean of its divisors is an integer number (4234815).

Almost surely, 2^33226857 is an apocalyptic number.

It is an amenable number.

33226857 is a deficient number, since it is larger than the sum of its proper divisors (17590923).

33226857 is a wasteful number, since it uses less digits than its factorization.

33226857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217192 (or 217189 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 33226857 is about 5764.2741954213. The cubic root of 33226857 is about 321.4867567893.

The spelling of 33226857 in words is "thirty-three million, two hundred twenty-six thousand, eight hundred fifty-seven".