122266549 has 4 divisors (see below), whose sum is σ = 122906880. Its totient is φ = 121626220.

The previous prime is 122266493. The next prime is 122266579. The reversal of 122266549 is 945662221.

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 122266549 - 2⁷ = 122266421 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122266579) 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, 319879 + ... + 320260.

It is an arithmetic number, because the mean of its divisors is an integer number (30726720).

Almost surely, 2^122266549 is an apocalyptic number.

It is an amenable number.

122266549 is a deficient number, since it is larger than the sum of its proper divisors (640331).

122266549 is an equidigital number, since it uses as much as digits as its factorization.

122266549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640330.

The product of its digits is 51840, while the sum is 37.

The square root of 122266549 is about 11057.4205400717. The cubic root of 122266549 is about 496.3285049026.

The spelling of 122266549 in words is "one hundred twenty-two million, two hundred sixty-six thousand, five hundred forty-nine".