1422371 has 4 divisors (see below), whose sum is σ = 1439592. Its totient is φ = 1405152.

The previous prime is 1422367. The next prime is 1422409. The reversal of 1422371 is 1732241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1732241 = 7 ⋅247463.

It is a cyclic number.

It is not a de Polignac number, because 1422371 - 2² = 1422367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422671) 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, 8486 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (359898).

2^1422371 is an apocalyptic number.

1422371 is a deficient number, since it is larger than the sum of its proper divisors (17221).

1422371 is an equidigital number, since it uses as much as digits as its factorization.

1422371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220.

The product of its digits is 336, while the sum is 20.

The square root of 1422371 is about 1192.6319633483. The cubic root of 1422371 is about 112.4616099463.

The spelling of 1422371 in words is "one million, four hundred twenty-two thousand, three hundred seventy-one".