4222407 has 16 divisors (see below), whose sum is σ = 6532352. Its totient is φ = 2376000.

The previous prime is 4222399. The next prime is 4222483. The reversal of 4222407 is 7042224.

Added to its reverse (7042224) it gives a triangular number (11264631 = T₄₇₄₆).

It is not a de Polignac number, because 4222407 - 2³ = 4222399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a d-powerful number, because it can be written as 4⁵ + 2⁵ + 2¹¹ + 2¹³ + 4¹¹ + 0 + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (408272).

Almost surely, 2^4222407 is an apocalyptic number.

4222407 is a deficient number, since it is larger than the sum of its proper divisors (2309945).

4222407 is a wasteful number, since it uses less digits than its factorization.

4222407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4222407 is about 2054.8496295350. The cubic root of 4222407 is about 161.6292772617.

Adding to 4222407 its reverse (7042224), we get a triangular number (11264631 = T₄₇₄₆).

The spelling of 4222407 in words is "four million, two hundred twenty-two thousand, four hundred seven".