429220 has 24 divisors (see below), whose sum is σ = 983808. Its totient is φ = 156000.

The previous prime is 429217. The next prime is 429223. The reversal of 429220 is 22924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (429217) and next prime (429223).

It is not an unprimeable number, because it can be changed into a prime (429223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (40992).

2⁴²⁹²²⁰ is an apocalyptic number.

It is an amenable number.

429220 is an abundant number, since it is smaller than the sum of its proper divisors (554588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429220 is a wasteful number, since it uses less digits than its factorization.

429220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 429220 is about 655.1488380513. The cubic root of 429220 is about 75.4327574036.

Subtracting from 429220 its sum of digits (19), we obtain a triangular number (429201 = T₉₂₆).

The spelling of 429220 in words is "four hundred twenty-nine thousand, two hundred twenty".