1622146 has 12 divisors (see below), whose sum is σ = 2485782. Its totient is φ = 793904.

The previous prime is 1622143. The next prime is 1622149. The reversal of 1622146 is 6412261.

It is an interprime number because it is at equal distance from previous prime (1622143) and next prime (1622149).

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 87025 = 1239^2 + 295^2 .

It is not an unprimeable number, because it can be changed into a prime (1622141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6846 + ... + 7078.

2^1622146 is an apocalyptic number.

1622146 is a deficient number, since it is larger than the sum of its proper divisors (863636).

1622146 is an equidigital number, since it uses as much as digits as its factorization.

1622146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 294 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1622146 is about 1273.6349555505. The cubic root of 1622146 is about 117.4978662658.

The spelling of 1622146 in words is "one million, six hundred twenty-two thousand, one hundred forty-six".