8222407 has 4 divisors (see below), whose sum is σ = 8706096. Its totient is φ = 7738720.

The previous prime is 8222393. The next prime is 8222413. The reversal of 8222407 is 7042228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8222407 - 2¹⁵ = 8189639 is a prime.

It is an Ulam number.

It is a Duffinian number.

8222407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222437) 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, 241819 + ... + 241852.

It is an arithmetic number, because the mean of its divisors is an integer number (2176524).

Almost surely, 2^8222407 is an apocalyptic number.

8222407 is a deficient number, since it is larger than the sum of its proper divisors (483689).

8222407 is a wasteful number, since it uses less digits than its factorization.

8222407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483688.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 8222407 is about 2867.4739754704. The cubic root of 8222407 is about 201.8364768163.

The spelling of 8222407 in words is "eight million, two hundred twenty-two thousand, four hundred seven".