5222645 has 4 divisors (see below), whose sum is σ = 6267180. Its totient is φ = 4178112.

The previous prime is 5222641. The next prime is 5222653. The reversal of 5222645 is 5462225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 2486929 = 1654^2 + 1577^2 .

It is a cyclic number.

It is not a de Polignac number, because 5222645 - 2² = 5222641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222641) 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, 522260 + ... + 522269.

It is an arithmetic number, because the mean of its divisors is an integer number (1566795).

Almost surely, 2^5222645 is an apocalyptic number.

It is an amenable number.

5222645 is a deficient number, since it is larger than the sum of its proper divisors (1044535).

5222645 is a wasteful number, since it uses less digits than its factorization.

5222645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044534.

The product of its digits is 4800, while the sum is 26.

The square root of 5222645 is about 2285.3107009770. The cubic root of 5222645 is about 173.4989438710.

The spelling of 5222645 in words is "five million, two hundred twenty-two thousand, six hundred forty-five".