1025222 has 8 divisors (see below), whose sum is σ = 1677672. Its totient is φ = 466000.

The previous prime is 1025209. The next prime is 1025231. The reversal of 1025222 is 2225201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1025197 and 1025206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23279 + ... + 23322.

It is an arithmetic number, because the mean of its divisors is an integer number (209709).

2^1025222 is an apocalyptic number.

1025222 is a deficient number, since it is larger than the sum of its proper divisors (652450).

1025222 is a wasteful number, since it uses less digits than its factorization.

1025222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46614.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1025222 is about 1012.5324686152. The cubic root of 1025222 is about 100.8337624157.

The spelling of 1025222 in words is "one million, twenty-five thousand, two hundred twenty-two".