522226207 has 4 divisors (see below), whose sum is σ = 530020696. Its totient is φ = 514431720.

The previous prime is 522226193. The next prime is 522226231. The reversal of 522226207 is 702622225.

It is a happy number.

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 522226207 - 2⁷ = 522226079 is a prime.

It is a super-2 number, since 2×522226207² = 545440422555213698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522226007) 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, 3897144 + ... + 3897277.

It is an arithmetic number, because the mean of its divisors is an integer number (132505174).

Almost surely, 2^522226207 is an apocalyptic number.

522226207 is a deficient number, since it is larger than the sum of its proper divisors (7794489).

522226207 is an equidigital number, since it uses as much as digits as its factorization.

522226207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794488.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 522226207 is about 22852.2691871070. The cubic root of 522226207 is about 805.2910779477.

The spelling of 522226207 in words is "five hundred twenty-two million, two hundred twenty-six thousand, two hundred seven".