1422471 has 8 divisors (see below), whose sum is σ = 1911024. Its totient is φ = 941120.

The previous prime is 1422469. The next prime is 1422493. The reversal of 1422471 is 1742241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422471 - 2¹ = 1422469 is a prime.

It is a super-3 number, since 3×1422471³ = 8634784797510579333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (238878).

2^1422471 is an apocalyptic number.

1422471 is a deficient number, since it is larger than the sum of its proper divisors (488553).

1422471 is a wasteful number, since it uses less digits than its factorization.

1422471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601.

The product of its digits is 448, while the sum is 21.

The square root of 1422471 is about 1192.6738866933. The cubic root of 1422471 is about 112.4642454279.

The spelling of 1422471 in words is "one million, four hundred twenty-two thousand, four hundred seventy-one".