402224055 has 32 divisors (see below), whose sum is σ = 667742400. Its totient is φ = 206502912.

The previous prime is 402224051. The next prime is 402224083. The reversal of 402224055 is 550422204.

It is a happy number.

It is not a de Polignac number, because 402224055 - 2² = 402224051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402224051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168027 + ... + 170403.

It is an arithmetic number, because the mean of its divisors is an integer number (20866950).

Almost surely, 2^402224055 is an apocalyptic number.

402224055 is a deficient number, since it is larger than the sum of its proper divisors (265518345).

402224055 is a wasteful number, since it uses less digits than its factorization.

402224055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 402224055 is about 20055.5243012991. The cubic root of 402224055 is about 738.1693580228.

Adding to 402224055 its reverse (550422204), we get a palindrome (952646259).

The spelling of 402224055 in words is "four hundred two million, two hundred twenty-four thousand, fifty-five".