402224051 has 2 divisors, whose sum is σ = 402224052. Its totient is φ = 402224050.

The previous prime is 402224041. The next prime is 402224083. The reversal of 402224051 is 150422204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402224051 - 2²² = 398029747 is a prime.

It is not a weakly prime, because it can be changed into another prime (402224041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201112025 + 201112026.

It is an arithmetic number, because the mean of its divisors is an integer number (201112026).

Almost surely, 2^402224051 is an apocalyptic number.

402224051 is a deficient number, since it is larger than the sum of its proper divisors (1).

402224051 is an equidigital number, since it uses as much as digits as its factorization.

402224051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 402224051 is about 20055.5242015760. The cubic root of 402224051 is about 738.1693555758.

Adding to 402224051 its reverse (150422204), we get a palindrome (552646255).

The spelling of 402224051 in words is "four hundred two million, two hundred twenty-four thousand, fifty-one".