52221045 has 8 divisors (see below), whose sum is σ = 83553696. Its totient is φ = 27851216.

The previous prime is 52221041. The next prime is 52221047. The reversal of 52221045 is 54012225.

It is a happy number.

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 52221045 - 2² = 52221041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221041) 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, 1740687 + ... + 1740716.

It is an arithmetic number, because the mean of its divisors is an integer number (10444212).

Almost surely, 2^52221045 is an apocalyptic number.

It is an amenable number.

52221045 is a deficient number, since it is larger than the sum of its proper divisors (31332651).

52221045 is a wasteful number, since it uses less digits than its factorization.

52221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481411.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52221045 is about 7226.4130106160. The cubic root of 52221045 is about 373.7792481296.

The spelling of 52221045 in words is "fifty-two million, two hundred twenty-one thousand, forty-five".