1422302144 has 56 divisors (see below), whose sum is σ = 3039191280. Its totient is φ = 657944576.

The previous prime is 1422302131. The next prime is 1422302149. The reversal of 1422302144 is 4412032241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422302149) 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, 53114 + ... + 75270.

Almost surely, 2^1422302144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422302144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519595640).

1422302144 is an abundant number, since it is smaller than the sum of its proper divisors (1616889136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422302144 is a wasteful number, since it uses less digits than its factorization.

1422302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22245 (or 22235 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1422302144 is about 37713.4212714784. The cubic root of 1422302144 is about 1124.5979518738.

Adding to 1422302144 its reverse (4412032241), we get a palindrome (5834334385).

The spelling of 1422302144 in words is "one billion, four hundred twenty-two million, three hundred two thousand, one hundred forty-four".