2422551 has 8 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 1520000.

The previous prime is 2422547. The next prime is 2422559. The reversal of 2422551 is 1552242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2422551 - 2² = 2422547 is a prime.

2422551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23700 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (427518).

2^2422551 is an apocalyptic number.

2422551 is a deficient number, since it is larger than the sum of its proper divisors (997593).

2422551 is a wasteful number, since it uses less digits than its factorization.

2422551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47521.

The product of its digits is 800, while the sum is 21.

The square root of 2422551 is about 1556.4546251015. The cubic root of 2422551 is about 134.3046273669.

Adding to 2422551 its reverse (1552242), we get a palindrome (3974793).

The spelling of 2422551 in words is "two million, four hundred twenty-two thousand, five hundred fifty-one".