90229925 has 12 divisors (see below), whose sum is σ = 112006596. Its totient is φ = 72105600.

The previous prime is 90229913. The next prime is 90229963. The reversal of 90229925 is 52992209.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 776161 + 89453764 = 881^2 + 9458^2 .

It is not a de Polignac number, because 90229925 - 2⁶ = 90229861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35807 + ... + 38243.

It is an arithmetic number, because the mean of its divisors is an integer number (9333883).

Almost surely, 2^90229925 is an apocalyptic number.

It is an amenable number.

90229925 is a deficient number, since it is larger than the sum of its proper divisors (21776671).

90229925 is a wasteful number, since it uses less digits than its factorization.

90229925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 90229925 is about 9498.9433622904. The cubic root of 90229925 is about 448.5217749441.

The spelling of 90229925 in words is "ninety million, two hundred twenty-nine thousand, nine hundred twenty-five".