90223516 has 18 divisors (see below), whose sum is σ = 163175712. Its totient is φ = 43605360.

The previous prime is 90223489. The next prime is 90223519. The reversal of 90223516 is 61532209.

90223516 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×90223516³ (a number of 25 digits) contains 333 as substring.

90223516 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90223519) 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 5 ways as a sum of consecutive naturals, for example, 105346 + ... + 106198.

Almost surely, 2^90223516 is an apocalyptic number.

It is an amenable number.

90223516 is a deficient number, since it is larger than the sum of its proper divisors (72952196).

90223516 is an equidigital number, since it uses as much as digits as its factorization.

90223516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 90223516 is about 9498.6060029880. The cubic root of 90223516 is about 448.5111552445.

The spelling of 90223516 in words is "ninety million, two hundred twenty-three thousand, five hundred sixteen".