1000225942 has 16 divisors (see below), whose sum is σ = 1516471632. Its totient is φ = 494748640.

The previous prime is 1000225931. The next prime is 1000226011. The reversal of 1000225942 is 2495220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172848 + ... + 178540.

It is an arithmetic number, because the mean of its divisors is an integer number (94779477).

Almost surely, 2^1000225942 is an apocalyptic number.

1000225942 is a deficient number, since it is larger than the sum of its proper divisors (516245690).

1000225942 is a wasteful number, since it uses less digits than its factorization.

1000225942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1000225942 is about 31626.3488566101. The cubic root of 1000225942 is about 1000.0753083285.

Adding to 1000225942 its reverse (2495220001), we get a palindrome (3495445943).

The spelling of 1000225942 in words is "one billion, two hundred twenty-five thousand, nine hundred forty-two".