90712223 has 8 divisors (see below), whose sum is σ = 103784448. Its totient is φ = 77668344.

The previous prime is 90712217. The next prime is 90712267. The reversal of 90712223 is 32221709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90712223 - 2¹⁶ = 90646687 is a prime.

It is a super-3 number, since 3×90712223³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90712192 and 90712201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90712273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290 + ... + 13472.

It is an arithmetic number, because the mean of its divisors is an integer number (12973056).

Almost surely, 2^90712223 is an apocalyptic number.

90712223 is a deficient number, since it is larger than the sum of its proper divisors (13072225).

90712223 is a wasteful number, since it uses less digits than its factorization.

90712223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90712223 is about 9524.2964569568. The cubic root of 90712223 is about 449.3195031483.

The spelling of 90712223 in words is "ninety million, seven hundred twelve thousand, two hundred twenty-three".