4209722 has 16 divisors (see below), whose sum is σ = 6933600. Its totient is φ = 1901040.

The previous prime is 4209719. The next prime is 4209739. The reversal of 4209722 is 2279024.

It is a d-powerful number, because it can be written as 4⁶ + 2¹³ + 0 + 9³ + 7⁴ + 2²¹ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4209691 and 4209700.

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, 3404 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (433350).

Almost surely, 2^4209722 is an apocalyptic number.

4209722 is a deficient number, since it is larger than the sum of its proper divisors (2723878).

4209722 is a wasteful number, since it uses less digits than its factorization.

4209722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4209722 is about 2051.7607072951. The cubic root of 4209722 is about 161.4672587763.

The spelling of 4209722 in words is "four million, two hundred nine thousand, seven hundred twenty-two".