90022253 has 4 divisors (see below), whose sum is σ = 93936288. Its totient is φ = 86108220.

The previous prime is 90022237. The next prime is 90022279. The reversal of 90022253 is 35222009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35222009 = 179 ⋅196771.

It is a cyclic number.

It is not a de Polignac number, because 90022253 - 2⁴ = 90022237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 3914011 = 90022253 / (9 + 0 + 0 + 2 + 2 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90022223) 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, 1956983 + ... + 1957028.

It is an arithmetic number, because the mean of its divisors is an integer number (23484072).

Almost surely, 2^90022253 is an apocalyptic number.

It is an amenable number.

90022253 is a deficient number, since it is larger than the sum of its proper divisors (3914035).

90022253 is a wasteful number, since it uses less digits than its factorization.

90022253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914034.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 90022253 is about 9488.0057440961. The cubic root of 90022253 is about 448.1774066860.

The spelling of 90022253 in words is "ninety million, twenty-two thousand, two hundred fifty-three".