1422432620 has 24 divisors (see below), whose sum is σ = 3413838624. Its totient is φ = 487691136.

The previous prime is 1422432611. The next prime is 1422432643. The reversal of 1422432620 is 262342241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422432620.

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, 5079977 + ... + 5080256.

It is an arithmetic number, because the mean of its divisors is an integer number (142243276).

Almost surely, 2^1422432620 is an apocalyptic number.

1422432620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422432620 is an abundant number, since it is smaller than the sum of its proper divisors (1991406004).

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

1422432620 is a wasteful number, since it uses less digits than its factorization.

1422432620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160249 (or 10160247 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1422432620 is about 37715.1510669121. The cubic root of 1422432620 is about 1124.6323394466.

Adding to 1422432620 its reverse (262342241), we get a palindrome (1684774861).

The spelling of 1422432620 in words is "one billion, four hundred twenty-two million, four hundred thirty-two thousand, six hundred twenty".