1622434 has 16 divisors (see below), whose sum is σ = 2747520. Its totient is φ = 711760.

The previous prime is 1622431. The next prime is 1622437. The reversal of 1622434 is 4342261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1622431) and next prime (1622437).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1622431) 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, 634 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^1622434 is an apocalyptic number.

1622434 is a deficient number, since it is larger than the sum of its proper divisors (1125086).

1622434 is a wasteful number, since it uses less digits than its factorization.

1622434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its digits is 1152, while the sum is 22.

The square root of 1622434 is about 1273.7480127561. The cubic root of 1622434 is about 117.5048194794.

Adding to 1622434 its reverse (4342261), we get a palindrome (5964695).

The spelling of 1622434 in words is "one million, six hundred twenty-two thousand, four hundred thirty-four".