1422920340 has 36 divisors (see below), whose sum is σ = 4316192244. Its totient is φ = 379445376.

The previous prime is 1422920333. The next prime is 1422920357. The reversal of 1422920340 is 430292241.

It can be written as a sum of positive squares in 2 ways, for example, as 754491024 + 668429316 = 27468^2 + 25854^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3952377 + ... + 3952736.

It is an arithmetic number, because the mean of its divisors is an integer number (119894229).

Almost surely, 2^1422920340 is an apocalyptic number.

1422920340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422920340 is an abundant number, since it is smaller than the sum of its proper divisors (2893271904).

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

1422920340 is a wasteful number, since it uses less digits than its factorization.

1422920340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905128 (or 7905123 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1422920340 is about 37721.6163492499. The cubic root of 1422920340 is about 1124.7608617632.

The spelling of 1422920340 in words is "one billion, four hundred twenty-two million, nine hundred twenty thousand, three hundred forty".