1422545730 has 32 divisors (see below), whose sum is σ = 3415613184. Its totient is φ = 379178496.

The previous prime is 1422545693. The next prime is 1422545731. The reversal of 1422545730 is 375452241.

It is a junction number, because it is equal to n+sod(n) for n = 1422545691 and 1422545700.

It is not an unprimeable number, because it can be changed into a prime (1422545731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68647 + ... + 86933.

It is an arithmetic number, because the mean of its divisors is an integer number (106737912).

Almost surely, 2^1422545730 is an apocalyptic number.

1422545730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422545730 is an abundant number, since it is smaller than the sum of its proper divisors (1993067454).

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

1422545730 is a wasteful number, since it uses less digits than its factorization.

1422545730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20890.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1422545730 is about 37716.6505670904. The cubic root of 1422545730 is about 1124.6621484256.

Adding to 1422545730 its reverse (375452241), we get a palindrome (1797997971).

The spelling of 1422545730 in words is "one billion, four hundred twenty-two million, five hundred forty-five thousand, seven hundred thirty".