1722966 has 16 divisors (see below), whose sum is σ = 3938304. Its totient is φ = 492264.

The previous prime is 1722937. The next prime is 1722983. The reversal of 1722966 is 6692271.

It is a super-2 number, since 2×1722966² = 5937223674312, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 11.

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, 20470 + ... + 20553.

It is an arithmetic number, because the mean of its divisors is an integer number (246144).

2^1722966 is an apocalyptic number.

1722966 is an abundant number, since it is smaller than the sum of its proper divisors (2215338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722966 is a wasteful number, since it uses less digits than its factorization.

1722966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41035.

The product of its digits is 9072, while the sum is 33.

The square root of 1722966 is about 1312.6179946961. The cubic root of 1722966 is about 119.8833588827.

The spelling of 1722966 in words is "one million, seven hundred twenty-two thousand, nine hundred sixty-six".