1670422 has 16 divisors (see below), whose sum is σ = 2765952. Its totient is φ = 751680.

The previous prime is 1670419. The next prime is 1670447. The reversal of 1670422 is 2240761.

It is a junction number, because it is equal to n+sod(n) for n = 1670393 and 1670402.

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, 283 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (172872).

2^1670422 is an apocalyptic number.

1670422 is a deficient number, since it is larger than the sum of its proper divisors (1095530).

1670422 is a wasteful number, since it uses less digits than its factorization.

1670422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1670422 is about 1292.4480647206. The cubic root of 1670422 is about 118.6520921516.

It can be divided in two parts, 167042 and 2, that multiplied together give a square (334084 = 578²).

The spelling of 1670422 in words is "one million, six hundred seventy thousand, four hundred twenty-two".