1425451722 has 8 divisors (see below), whose sum is σ = 2850903456. Its totient is φ = 475150572.

The previous prime is 1425451663. The next prime is 1425451757. The reversal of 1425451722 is 2271545241.

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

1425451722 is an admirable number.

It is a super-2 number, since 2×1425451722² = 4063825223505530568, which contains 22 as substring.

It is an unprimeable number.

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, 118787638 + ... + 118787649.

It is an arithmetic number, because the mean of its divisors is an integer number (356362932).

Almost surely, 2^1425451722 is an apocalyptic number.

1425451722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1425451722 is a wasteful number, since it uses less digits than its factorization.

1425451722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237575292.

The product of its digits is 22400, while the sum is 33.

The square root of 1425451722 is about 37755.1549063171. The cubic root of 1425451722 is about 1125.4274515909.

Adding to 1425451722 its reverse (2271545241), we get a palindrome (3696996963).

The spelling of 1425451722 in words is "one billion, four hundred twenty-five million, four hundred fifty-one thousand, seven hundred twenty-two".