1422457632 has 192 divisors, whose sum is σ = 4424232960. Its totient is φ = 443596032.

The previous prime is 1422457613. The next prime is 1422457681. The reversal of 1422457632 is 2367542241.

1422457632 is a `hidden beast` number, since 14 + 2 + 2 + 4 + 5 + 7 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933223 + ... + 934745.

It is an arithmetic number, because the mean of its divisors is an integer number (23042880).

Almost surely, 2^1422457632 is an apocalyptic number.

1422457632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422457632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212116480).

1422457632 is an abundant number, since it is smaller than the sum of its proper divisors (3001775328).

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

1422457632 is a wasteful number, since it uses less digits than its factorization.

1422457632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1598 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1422457632 is about 37715.4826563309. The cubic root of 1422457632 is about 1124.6389312385.

Adding to 1422457632 its reverse (2367542241), we get a palindrome (3789999873).

The spelling of 1422457632 in words is "one billion, four hundred twenty-two million, four hundred fifty-seven thousand, six hundred thirty-two".