90228048 has 80 divisors (see below), whose sum is σ = 245877120. Its totient is φ = 28467712.

The previous prime is 90228023. The next prime is 90228053. The reversal of 90228048 is 84082209.

It is a super-2 number, since 2×90228048² = 16282201291780608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73165 + ... + 74387.

It is an arithmetic number, because the mean of its divisors is an integer number (3073464).

Almost surely, 2^90228048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90228048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122938560).

90228048 is an abundant number, since it is smaller than the sum of its proper divisors (155649072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90228048 is a wasteful number, since it uses less digits than its factorization.

90228048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 90228048 is about 9498.8445613138. The cubic root of 90228048 is about 448.5186648111.

The spelling of 90228048 in words is "ninety million, two hundred twenty-eight thousand, forty-eight".