1422685640 has 32 divisors (see below), whose sum is σ = 3208308480. Its totient is φ = 567782592.

The previous prime is 1422685639. The next prime is 1422685643. The reversal of 1422685640 is 465862241.

It is a junction number, because it is equal to n+sod(n) for n = 1422685594 and 1422685603.

It is not an unprimeable number, because it can be changed into a prime (1422685643) 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, 22424 + ... + 57863.

It is an arithmetic number, because the mean of its divisors is an integer number (100259640).

Almost surely, 2^1422685640 is an apocalyptic number.

1422685640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422685640 is an abundant number, since it is smaller than the sum of its proper divisors (1785622840).

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

1422685640 is a wasteful number, since it uses less digits than its factorization.

1422685640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80741 (or 80737 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1422685640 is about 37718.5052726112. The cubic root of 1422685640 is about 1124.6990180835.

The spelling of 1422685640 in words is "one billion, four hundred twenty-two million, six hundred eighty-five thousand, six hundred forty".