1422143452 has 12 divisors (see below), whose sum is σ = 2596957776. Its totient is φ = 680155520.

The previous prime is 1422143431. The next prime is 1422143453. The reversal of 1422143452 is 2543412241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422143452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422143453) 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, 7728949 + ... + 7729132.

It is an arithmetic number, because the mean of its divisors is an integer number (216413148).

Almost surely, 2^1422143452 is an apocalyptic number.

It is an amenable number.

1422143452 is a deficient number, since it is larger than the sum of its proper divisors (1174814324).

1422143452 is a wasteful number, since it uses less digits than its factorization.

1422143452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15458108 (or 15458106 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1422143452 is about 37711.3172933537. The cubic root of 1422143452 is about 1124.5561250049.

Adding to 1422143452 its reverse (2543412241), we get a palindrome (3965555693).

The spelling of 1422143452 in words is "one billion, four hundred twenty-two million, one hundred forty-three thousand, four hundred fifty-two".