2422730 has 8 divisors (see below), whose sum is σ = 4360932. Its totient is φ = 969088.

The previous prime is 2422727. The next prime is 2422741. The reversal of 2422730 is 372242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 380689 = 1429^2 + 617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁹ + 4⁴ + 2¹¹ + 2¹¹ + 7⁷ + 3¹³ + 0 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121127 + ... + 121146.

2^2422730 is an apocalyptic number.

2422730 is a deficient number, since it is larger than the sum of its proper divisors (1938202).

2422730 is a wasteful number, since it uses less digits than its factorization.

2422730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242280.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2422730 is about 1556.5121265188. The cubic root of 2422730 is about 134.3079351661.

Adding to 2422730 its reverse (372242), we get a palindrome (2794972).

The spelling of 2422730 in words is "two million, four hundred twenty-two thousand, seven hundred thirty".