1422734 has 16 divisors (see below), whose sum is σ = 2252448. Its totient is φ = 672672.

The previous prime is 1422727. The next prime is 1422749. The reversal of 1422734 is 4372241.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7124 + ... + 7320.

It is an arithmetic number, because the mean of its divisors is an integer number (140778).

2^1422734 is an apocalyptic number.

1422734 is a deficient number, since it is larger than the sum of its proper divisors (829714).

1422734 is a wasteful number, since it uses less digits than its factorization.

1422734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 1344, while the sum is 23.

The square root of 1422734 is about 1192.7841380568. The cubic root of 1422734 is about 112.4711761547.

Adding to 1422734 its reverse (4372241), we get a palindrome (5794975).

The spelling of 1422734 in words is "one million, four hundred twenty-two thousand, seven hundred thirty-four".