4206722 has 16 divisors (see below), whose sum is σ = 6850872. Its totient is φ = 1925760.

The previous prime is 4206721. The next prime is 4206737. The reversal of 4206722 is 2276024.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 361201 = 1961^2 + 601^2 .

It is a super-3 number, since 3×4206722³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 4152.

Almost surely, 2^4206722 is an apocalyptic number.

4206722 is a deficient number, since it is larger than the sum of its proper divisors (2644150).

4206722 is a wasteful number, since it uses less digits than its factorization.

4206722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4206722 is about 2051.0294975938. The cubic root of 4206722 is about 161.4288938606.

The spelling of 4206722 in words is "four million, two hundred six thousand, seven hundred twenty-two".