1422429 has 4 divisors (see below), whose sum is σ = 1896576. Its totient is φ = 948284.

The previous prime is 1422419. The next prime is 1422433. The reversal of 1422429 is 9242241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9242241 = 3 ⋅3080747.

It is a cyclic number.

It is not a de Polignac number, because 1422429 - 2¹⁷ = 1291357 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1422399 and 1422408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422409) 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, 237069 + ... + 237074.

It is an arithmetic number, because the mean of its divisors is an integer number (474144).

2^1422429 is an apocalyptic number.

It is an amenable number.

1422429 is a deficient number, since it is larger than the sum of its proper divisors (474147).

1422429 is an equidigital number, since it uses as much as digits as its factorization.

1422429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474146.

The product of its digits is 1152, while the sum is 24.

The square root of 1422429 is about 1192.6562790679. The cubic root of 1422429 is about 112.4631385407.

The spelling of 1422429 in words is "one million, four hundred twenty-two thousand, four hundred twenty-nine".