3220769 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 2843904.

The previous prime is 3220727. The next prime is 3220771. The reversal of 3220769 is 9670223.

3220769 = T₁₄₂ + T₁₄₃ + ... + T₂₈₀.

It is a cyclic number.

It is not a de Polignac number, because 3220769 - 2⁸ = 3220513 is a prime.

It is a super-2 number, since 2×3220769² = 20746705902722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23102 + ... + 23240.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^3220769 is an apocalyptic number.

It is an amenable number.

3220769 is a deficient number, since it is larger than the sum of its proper divisors (408031).

3220769 is a wasteful number, since it uses less digits than its factorization.

3220769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3220769 is about 1794.6501051737. The cubic root of 3220769 is about 147.6793795789.

The spelling of 3220769 in words is "three million, two hundred twenty thousand, seven hundred sixty-nine".