1422999 has 12 divisors (see below), whose sum is σ = 2103816. Its totient is φ = 926352.

The previous prime is 1422991. The next prime is 1423003. The reversal of 1422999 is 9992241.

It is not a de Polignac number, because 1422999 - 2³ = 1422991 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1452 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (175318).

2^1422999 is an apocalyptic number.

1422999 is a deficient number, since it is larger than the sum of its proper divisors (680817).

1422999 is a wasteful number, since it uses less digits than its factorization.

1422999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3723 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1422999 is about 1192.8952175275. The cubic root of 1422999 is about 112.4781587229.

The spelling of 1422999 in words is "one million, four hundred twenty-two thousand, nine hundred ninety-nine".