90087422 has 8 divisors (see below), whose sum is σ = 135343872. Its totient is φ = 44972800.

The previous prime is 90087421. The next prime is 90087433. The reversal of 90087422 is 22478009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90087421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33854 + ... + 36417.

It is an arithmetic number, because the mean of its divisors is an integer number (16917984).

Almost surely, 2^90087422 is an apocalyptic number.

90087422 is a deficient number, since it is larger than the sum of its proper divisors (45256450).

90087422 is a wasteful number, since it uses less digits than its factorization.

90087422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70914.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 90087422 is about 9491.4394061175. The cubic root of 90087422 is about 448.2855289460.

It can be divided in two parts, 90087 and 422, that added together give a palindrome (90509).

The spelling of 90087422 in words is "ninety million, eighty-seven thousand, four hundred twenty-two".