1025422 has 4 divisors (see below), whose sum is σ = 1538136. Its totient is φ = 512710.

The previous prime is 1025419. The next prime is 1025443. The reversal of 1025422 is 2245201.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1025396 and 1025405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256354 + ... + 256357.

It is an arithmetic number, because the mean of its divisors is an integer number (384534).

2^1025422 is an apocalyptic number.

1025422 is a deficient number, since it is larger than the sum of its proper divisors (512714).

1025422 is an equidigital number, since it uses as much as digits as its factorization.

1025422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512713.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1025422 is about 1012.6312260641. The cubic root of 1025422 is about 100.8403188628.

The spelling of 1025422 in words is "one million, twenty-five thousand, four hundred twenty-two".