122284489 has 4 divisors (see below), whose sum is σ = 122375700. Its totient is φ = 122193280.

The previous prime is 122284471. The next prime is 122284493. The reversal of 122284489 is 984482221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42771600 + 79512889 = 6540^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 122284489 - 2⁹ = 122283977 is a prime.

It is a super-2 number, since 2×122284489² = 29906992499982242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122284469) 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, 43564 + ... + 46285.

It is an arithmetic number, because the mean of its divisors is an integer number (30593925).

Almost surely, 2^122284489 is an apocalyptic number.

It is an amenable number.

122284489 is a deficient number, since it is larger than the sum of its proper divisors (91211).

122284489 is an equidigital number, since it uses as much as digits as its factorization.

122284489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91210.

The product of its digits is 73728, while the sum is 40.

The square root of 122284489 is about 11058.2317302542. The cubic root of 122284489 is about 496.3527789115.

The spelling of 122284489 in words is "one hundred twenty-two million, two hundred eighty-four thousand, four hundred eighty-nine".