422949 has 4 divisors (see below), whose sum is σ = 563936. Its totient is φ = 281964.

The previous prime is 422927. The next prime is 422969. The reversal of 422949 is 949224.

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 not a de Polignac number, because 422949 - 2¹⁷ = 291877 is a prime.

It is a D-number.

It is a Duffinian number.

422949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422969) 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, 70489 + ... + 70494.

It is an arithmetic number, because the mean of its divisors is an integer number (140984).

2⁴²²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

422949 is a deficient number, since it is larger than the sum of its proper divisors (140987).

422949 is a wasteful number, since it uses less digits than its factorization.

422949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140986.

The product of its digits is 5184, while the sum is 30.

The square root of 422949 is about 650.3452929022. The cubic root of 422949 is about 75.0635905125.

It can be divided in two parts, 4229 and 49, that added together give a triangular number (4278 = T₉₂).

The spelling of 422949 in words is "four hundred twenty-two thousand, nine hundred forty-nine".