5221438 has 4 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 2610718.

The previous prime is 5221399. The next prime is 5221451. The reversal of 5221438 is 8341225.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305358 + ... + 1305361.

It is an arithmetic number, because the mean of its divisors is an integer number (1958040).

Almost surely, 2^5221438 is an apocalyptic number.

5221438 is a deficient number, since it is larger than the sum of its proper divisors (2610722).

5221438 is a wasteful number, since it uses less digits than its factorization.

5221438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610721.

The product of its digits is 1920, while the sum is 25.

The square root of 5221438 is about 2285.0466078398. The cubic root of 5221438 is about 173.4855771216.

The spelling of 5221438 in words is "five million, two hundred twenty-one thousand, four hundred thirty-eight".