422291029 has 4 divisors (see below), whose sum is σ = 422355276. Its totient is φ = 422226784.

The previous prime is 422290997. The next prime is 422291041. The reversal of 422291029 is 920192224.

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 240095025 + 182196004 = 15495^2 + 13498^2 .

It is a cyclic number.

It is not a de Polignac number, because 422291029 - 2⁵ = 422290997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422291329) 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, 20974 + ... + 35839.

It is an arithmetic number, because the mean of its divisors is an integer number (105588819).

Almost surely, 2^422291029 is an apocalyptic number.

It is an amenable number.

422291029 is a deficient number, since it is larger than the sum of its proper divisors (64247).

422291029 is an equidigital number, since it uses as much as digits as its factorization.

422291029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64246.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 422291029 is about 20549.7208983480. The cubic root of 422291029 is about 750.2464547083.

The spelling of 422291029 in words is "four hundred twenty-two million, two hundred ninety-one thousand, twenty-nine".