52221719 has 8 divisors (see below), whose sum is σ = 57035280. Its totient is φ = 47419200.

The previous prime is 52221713. The next prime is 52221731. The reversal of 52221719 is 91712225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52221719 - 2⁴ = 52221703 is a prime.

It is a super-2 number, since 2×52221719² = 5454215870629922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52221691 and 52221700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9539 + ... + 13979.

It is an arithmetic number, because the mean of its divisors is an integer number (7129410).

Almost surely, 2^52221719 is an apocalyptic number.

52221719 is a deficient number, since it is larger than the sum of its proper divisors (4813561).

52221719 is a wasteful number, since it uses less digits than its factorization.

52221719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521.

The product of its digits is 2520, while the sum is 29.

The square root of 52221719 is about 7226.4596449437. The cubic root of 52221719 is about 373.7808562050.

The spelling of 52221719 in words is "fifty-two million, two hundred twenty-one thousand, seven hundred nineteen".