90224673 has 64 divisors (see below), whose sum is σ = 160942080. Its totient is φ = 43545600.

The previous prime is 90224671. The next prime is 90224677. The reversal of 90224673 is 37642209.

It is not a de Polignac number, because 90224673 - 2¹ = 90224671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (90224671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 267561 + ... + 267897.

It is an arithmetic number, because the mean of its divisors is an integer number (2514720).

Almost surely, 2^90224673 is an apocalyptic number.

It is an amenable number.

90224673 is a deficient number, since it is larger than the sum of its proper divisors (70717407).

90224673 is a wasteful number, since it uses less digits than its factorization.

90224673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 90224673 is about 9498.6669064664. Note that the first 3 decimals coincide. The cubic root of 90224673 is about 448.5130724283.

It can be divided in two parts, 9022 and 4673, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 90224673 in words is "ninety million, two hundred twenty-four thousand, six hundred seventy-three".