425557722 has 8 divisors (see below), whose sum is σ = 851115456. Its totient is φ = 141852572.

The previous prime is 425557711. The next prime is 425557729. The reversal of 425557722 is 227755524.

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

425557722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (425557729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35463138 + ... + 35463149.

It is an arithmetic number, because the mean of its divisors is an integer number (106389432).

Almost surely, 2^425557722 is an apocalyptic number.

425557722 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.

425557722 is a wasteful number, since it uses less digits than its factorization.

425557722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70926292.

The product of its digits is 196000, while the sum is 39.

The square root of 425557722 is about 20629.0504386411. The cubic root of 425557722 is about 752.1760341722.

The spelling of 425557722 in words is "four hundred twenty-five million, five hundred fifty-seven thousand, seven hundred twenty-two".