84722201 has 4 divisors (see below), whose sum is σ = 84770304. Its totient is φ = 84674100.

The previous prime is 84722189. The next prime is 84722213. The reversal of 84722201 is 10222748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (84722189) and next prime (84722213).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84722201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84722221) 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, 21305 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (21192576).

Almost surely, 2^84722201 is an apocalyptic number.

It is an amenable number.

84722201 is a deficient number, since it is larger than the sum of its proper divisors (48103).

84722201 is a wasteful number, since it uses less digits than its factorization.

84722201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48102.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 84722201 is about 9204.4663615008. The cubic root of 84722201 is about 439.2034503734.

Adding to 84722201 its reverse (10222748), we get a palindrome (94944949).

The spelling of 84722201 in words is "eighty-four million, seven hundred twenty-two thousand, two hundred one".