1351025422 has 4 divisors (see below), whose sum is σ = 2026538136. Its totient is φ = 675512710.

The previous prime is 1351025371. The next prime is 1351025441. The reversal of 1351025422 is 2245201531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2245201531 = 139 ⋅16152529.

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 as a sum of consecutive naturals, namely, 337756354 + ... + 337756357.

It is an arithmetic number, because the mean of its divisors is an integer number (506634534).

Almost surely, 2^1351025422 is an apocalyptic number.

1351025422 is a deficient number, since it is larger than the sum of its proper divisors (675512714).

1351025422 is an equidigital number, since it uses as much as digits as its factorization.

1351025422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675512713.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1351025422 is about 36756.2977188944. The cubic root of 1351025422 is about 1105.4892074348.

Adding to 1351025422 its reverse (2245201531), we get a palindrome (3596226953).

The spelling of 1351025422 in words is "one billion, three hundred fifty-one million, twenty-five thousand, four hundred twenty-two".