122802221 has 4 divisors (see below), whose sum is σ = 128141472. Its totient is φ = 117462972.

The previous prime is 122802217. The next prime is 122802241. The reversal of 122802221 is 122208221.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 122802221 - 2² = 122802217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122802193 and 122802202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122802241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669591 + ... + 2669636.

It is an arithmetic number, because the mean of its divisors is an integer number (32035368).

Almost surely, 2^122802221 is an apocalyptic number.

It is an amenable number.

122802221 is a deficient number, since it is larger than the sum of its proper divisors (5339251).

122802221 is an equidigital number, since it uses as much as digits as its factorization.

122802221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339250.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 122802221 is about 11081.6163532221. The cubic root of 122802221 is about 497.0522840922.

The spelling of 122802221 in words is "one hundred twenty-two million, eight hundred two thousand, two hundred twenty-one".