1422125773 has 4 divisors (see below), whose sum is σ = 1422763740. Its totient is φ = 1421487808.

The previous prime is 1422125767. The next prime is 1422125779. The reversal of 1422125773 is 3775212241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3775212241 = 911 ⋅4144031.

It is an interprime number because it is at equal distance from previous prime (1422125767) and next prime (1422125779).

It can be written as a sum of positive squares in 2 ways, for example, as 1003432329 + 418693444 = 31677^2 + 20462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422125773 - 2¹³ = 1422117581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422125779) 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, 315628 + ... + 320101.

It is an arithmetic number, because the mean of its divisors is an integer number (355690935).

Almost surely, 2^1422125773 is an apocalyptic number.

It is an amenable number.

1422125773 is a deficient number, since it is larger than the sum of its proper divisors (637967).

1422125773 is an equidigital number, since it uses as much as digits as its factorization.

1422125773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637966.

The product of its digits is 23520, while the sum is 34.

The square root of 1422125773 is about 37711.0828934943. The cubic root of 1422125773 is about 1124.5514651116.

The spelling of 1422125773 in words is "one billion, four hundred twenty-two million, one hundred twenty-five thousand, seven hundred seventy-three".