425207722 has 8 divisors (see below), whose sum is σ = 642467556. Its totient is φ = 211051872.

The previous prime is 425207701. The next prime is 425207747. The reversal of 425207722 is 227702524.

It can be written as a sum of positive squares in 2 ways, for example, as 418243401 + 6964321 = 20451^2 + 2639^2 .

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

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, 775653 + ... + 776200.

Almost surely, 2^425207722 is an apocalyptic number.

425207722 is a deficient number, since it is larger than the sum of its proper divisors (217259834).

425207722 is a wasteful number, since it uses less digits than its factorization.

425207722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551992.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 425207722 is about 20620.5655111590. The cubic root of 425207722 is about 751.9697685240.

The spelling of 425207722 in words is "four hundred twenty-five million, two hundred seven thousand, seven hundred twenty-two".