1420422373 has 4 divisors (see below), whose sum is σ = 1421084268. Its totient is φ = 1419760480.

The previous prime is 1420422337. The next prime is 1420422383. The reversal of 1420422373 is 3732240241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 500998689 + 919423684 = 22383^2 + 30322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420422373 is a prime.

It is a super-2 number, since 2×1420422373² = 4035199435437902258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420422383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327718 + ... + 332023.

It is an arithmetic number, because the mean of its divisors is an integer number (355271067).

Almost surely, 2^1420422373 is an apocalyptic number.

It is an amenable number.

1420422373 is a deficient number, since it is larger than the sum of its proper divisors (661895).

1420422373 is an equidigital number, since it uses as much as digits as its factorization.

1420422373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661894.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1420422373 is about 37688.4912539624. The cubic root of 1420422373 is about 1124.1022956779.

The spelling of 1420422373 in words is "one billion, four hundred twenty million, four hundred twenty-two thousand, three hundred seventy-three".