122332421 has 4 divisors (see below), whose sum is σ = 122685312. Its totient is φ = 121979532.

The previous prime is 122332409. The next prime is 122332433. The reversal of 122332421 is 124233221.

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 (122332409) and next prime (122332433).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122332421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122332393 and 122332402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122332921) 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, 175925 + ... + 176618.

It is an arithmetic number, because the mean of its divisors is an integer number (30671328).

Almost surely, 2^122332421 is an apocalyptic number.

It is an amenable number.

122332421 is a deficient number, since it is larger than the sum of its proper divisors (352891).

122332421 is an equidigital number, since it uses as much as digits as its factorization.

122332421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352890.

The product of its digits is 576, while the sum is 20.

The square root of 122332421 is about 11060.3987721962. The cubic root of 122332421 is about 496.4176224410.

Adding to 122332421 its reverse (124233221), we get a palindrome (246565642).

The spelling of 122332421 in words is "one hundred twenty-two million, three hundred thirty-two thousand, four hundred twenty-one".