90002210 has 16 divisors (see below), whose sum is σ = 162499392. Its totient is φ = 35890800.

The previous prime is 90002203. The next prime is 90002219. The reversal of 90002210 is 1220009.

It is not an unprimeable number, because it can be changed into a prime (90002219) 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, 10286 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (10156212).

Almost surely, 2^90002210 is an apocalyptic number.

90002210 is a deficient number, since it is larger than the sum of its proper divisors (72497182).

90002210 is a wasteful number, since it uses less digits than its factorization.

90002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27529.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 90002210 is about 9486.9494570173. The cubic root of 90002210 is about 448.1441427385.

Adding to 90002210 its reverse (1220009), we get a palindrome (91222219).

The spelling of 90002210 in words is "ninety million, two thousand, two hundred ten".