5222945 has 24 divisors (see below), whose sum is σ = 7765056. Its totient is φ = 3302208.

The previous prime is 5222933. The next prime is 5222963. The reversal of 5222945 is 5492225.

5222945 = T₁₂₇ + T₁₂₈ + ... + T₃₂₁.

It is not a de Polignac number, because 5222945 - 2²⁰ = 4174369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5474 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (323544).

Almost surely, 2^5222945 is an apocalyptic number.

It is an amenable number.

5222945 is a deficient number, since it is larger than the sum of its proper divisors (2542111).

5222945 is a wasteful number, since it uses less digits than its factorization.

5222945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 908 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 5222945 is about 2285.3763366238. The cubic root of 5222945 is about 173.5022658586.

The spelling of 5222945 in words is "five million, two hundred twenty-two thousand, nine hundred forty-five".