90933226 has 4 divisors (see below), whose sum is σ = 136399842. Its totient is φ = 45466612.

The previous prime is 90933217. The next prime is 90933233. The reversal of 90933226 is 62233909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62233909 = 79 ⋅787771.

It can be written as a sum of positive squares in only one way, i.e., 90269001 + 664225 = 9501^2 + 815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90933191 and 90933200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22733305 + ... + 22733308.

Almost surely, 2^90933226 is an apocalyptic number.

90933226 is a deficient number, since it is larger than the sum of its proper divisors (45466616).

90933226 is a wasteful number, since it uses less digits than its factorization.

90933226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45466615.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 90933226 is about 9535.8914633085. The cubic root of 90933226 is about 449.6841009251.

The spelling of 90933226 in words is "ninety million, nine hundred thirty-three thousand, two hundred twenty-six".