90466220 has 48 divisors (see below), whose sum is σ = 215372640. Its totient is φ = 31643136.

The previous prime is 90466217. The next prime is 90466237. The reversal of 90466220 is 2266409.

It is a super-2 number, since 2×90466220² = 16368273922176800, which contains 22 as substring.

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, 4217 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (4486930).

Almost surely, 2^90466220 is an apocalyptic number.

It is an amenable number.

90466220 is an abundant number, since it is smaller than the sum of its proper divisors (124906420).

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

90466220 is a wasteful number, since it uses less digits than its factorization.

90466220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354 (or 18352 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90466220 is about 9511.3731921316. The cubic root of 90466220 is about 448.9129647124.

The spelling of 90466220 in words is "ninety million, four hundred sixty-six thousand, two hundred twenty".