1025405222 has 8 divisors (see below), whose sum is σ = 1539806376. Its totient is φ = 512136432.

The previous prime is 1025405221. The next prime is 1025405233. The reversal of 1025405222 is 2225045201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025405221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280823 + ... + 284450.

It is an arithmetic number, because the mean of its divisors is an integer number (192475797).

Almost surely, 2^1025405222 is an apocalyptic number.

1025405222 is a deficient number, since it is larger than the sum of its proper divisors (514401154).

1025405222 is an equidigital number, since it uses as much as digits as its factorization.

1025405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566182.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1025405222 is about 32021.9490662264. The cubic root of 1025405222 is about 1008.3976887520.

The spelling of 1025405222 in words is "one billion, twenty-five million, four hundred five thousand, two hundred twenty-two".