90224782 has 8 divisors (see below), whose sum is σ = 135934056. Its totient is φ = 44913432.

The previous prime is 90224779. The next prime is 90224789. The reversal of 90224782 is 28742209.

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

It is a super-2 number, since 2×90224782² = 16281022573895048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90224789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98913 + ... + 99820.

It is an arithmetic number, because the mean of its divisors is an integer number (16991757).

Almost surely, 2^90224782 is an apocalyptic number.

90224782 is a deficient number, since it is larger than the sum of its proper divisors (45709274).

90224782 is a wasteful number, since it uses less digits than its factorization.

90224782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198962.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 90224782 is about 9498.6726441119. The cubic root of 90224782 is about 448.5132530437.

The spelling of 90224782 in words is "ninety million, two hundred twenty-four thousand, seven hundred eighty-two".