425422011 has 8 divisors (see below), whose sum is σ = 648262144.
Its totient is φ = 243098280.
The previous prime is 425421977. The next prime is 425422069. The reversal of 425422011 is 110224524.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 425422011 - 26 = 425421947 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20258191 = 425422011 / (4 + 2 + 5 + 4 + 2 + 2 + 0 + 1 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (425422111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10129075 + ... + 10129116.
It is an arithmetic number, because the mean of its divisors is an integer number (81032768).
Almost surely, 2425422011 is an apocalyptic number.
425422011 is a deficient number, since it is larger than the sum of its proper divisors (222840133).
425422011 is a wasteful number, since it uses less digits than its factorization.
425422011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20258201.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 425422011 is about 20625.7608586932.
The cubic root of 425422011 is about 752.0960689803.
Adding to 425422011 its reverse (110224524), we get a palindrome (535646535).
It can be divided in two parts, 4 and 25422011, that added together give a triangular number (25422015 = T7130).
The spelling of 425422011 in words is "four hundred twenty-five million, four hundred twenty-two thousand, eleven".