422219929 has 4 divisors (see below), whose sum is σ = 422923060. Its totient is φ = 421516800.

The previous prime is 422219923. The next prime is 422219953. The reversal of 422219929 is 929912224.

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 363283600 + 58936329 = 19060^2 + 7677^2 .

It is a cyclic number.

It is not a de Polignac number, because 422219929 - 2⁷ = 422219801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422219891 and 422219900.

It is not an unprimeable number, because it can be changed into a prime (422219923) 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, 350664 + ... + 351865.

It is an arithmetic number, because the mean of its divisors is an integer number (105730765).

Almost surely, 2^422219929 is an apocalyptic number.

It is an amenable number.

422219929 is a deficient number, since it is larger than the sum of its proper divisors (703131).

422219929 is an equidigital number, since it uses as much as digits as its factorization.

422219929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703130.

The product of its digits is 46656, while the sum is 40.

The square root of 422219929 is about 20547.9908750223. The cubic root of 422219929 is about 750.2043466886.

The spelling of 422219929 in words is "four hundred twenty-two million, two hundred nineteen thousand, nine hundred twenty-nine".