122690229 has 4 divisors (see below), whose sum is σ = 163586976. Its totient is φ = 81793484.

The previous prime is 122690209. The next prime is 122690231. The reversal of 122690229 is 922096221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 922096221 = 3 ⋅307365407.

It is a cyclic number.

It is not a de Polignac number, because 122690229 - 2⁹ = 122689717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122690229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122690209) 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, 20448369 + ... + 20448374.

It is an arithmetic number, because the mean of its divisors is an integer number (40896744).

Almost surely, 2^122690229 is an apocalyptic number.

It is an amenable number.

122690229 is a deficient number, since it is larger than the sum of its proper divisors (40896747).

122690229 is an equidigital number, since it uses as much as digits as its factorization.

122690229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40896746.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 122690229 is about 11076.5621471646. The cubic root of 122690229 is about 496.9011391336.

The spelling of 122690229 in words is "one hundred twenty-two million, six hundred ninety thousand, two hundred twenty-nine".