90225050 has 12 divisors (see below), whose sum is σ = 167818686. Its totient is φ = 36090000.

The previous prime is 90225041. The next prime is 90225073. The reversal of 90225050 is 5052209.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 82210489 + 8014561 = 9067^2 + 2831^2 .

It is an unprimeable number.

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, 902201 + ... + 902300.

Almost surely, 2^90225050 is an apocalyptic number.

90225050 is a deficient number, since it is larger than the sum of its proper divisors (77593636).

90225050 is a wasteful number, since it uses less digits than its factorization.

90225050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804513 (or 1804508 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 90225050 is about 9498.6867513357. The cubic root of 90225050 is about 448.5136971250.

Adding to 90225050 its reverse (5052209), we get a palindrome (95277259).

It can be divided in two parts, 902 and 25050, that added together give a palindrome (25952).

The spelling of 90225050 in words is "ninety million, two hundred twenty-five thousand, fifty".