1422397 has 8 divisors (see below), whose sum is σ = 1532960. Its totient is φ = 1315440.

The previous prime is 1422367. The next prime is 1422409. The reversal of 1422397 is 7932241.

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 1422397 - 2¹⁵ = 1389629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422367) 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, 54 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (191620).

2^1422397 is an apocalyptic number.

It is an amenable number.

1422397 is a deficient number, since it is larger than the sum of its proper divisors (110563).

1422397 is a wasteful number, since it uses less digits than its factorization.

1422397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its digits is 3024, while the sum is 28.

The square root of 1422397 is about 1192.6428635597. The cubic root of 1422397 is about 112.4622951834.

The spelling of 1422397 in words is "one million, four hundred twenty-two thousand, three hundred ninety-seven".