1425522722 has 8 divisors (see below), whose sum is σ = 2302767516. Its totient is φ = 657933552.

The previous prime is 1425522719. The next prime is 1425522731. The reversal of 1425522722 is 2272255241.

It can be written as a sum of positive squares in 2 ways, for example, as 1253938921 + 171583801 = 35411^2 + 13099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1425522722³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27413873 + ... + 27413924.

Almost surely, 2^1425522722 is an apocalyptic number.

1425522722 is a deficient number, since it is larger than the sum of its proper divisors (877244794).

1425522722 is a wasteful number, since it uses less digits than its factorization.

1425522722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54827812.

The product of its digits is 22400, while the sum is 32.

The square root of 1425522722 is about 37756.0951635627. The cubic root of 1425522722 is about 1125.4461366672.

Adding to 1425522722 its reverse (2272255241), we get a palindrome (3697777963).

The spelling of 1425522722 in words is "one billion, four hundred twenty-five million, five hundred twenty-two thousand, seven hundred twenty-two".