402223554 has 24 divisors (see below), whose sum is σ = 872014572. Its totient is φ = 133992960.

The previous prime is 402223541. The next prime is 402223573. The reversal of 402223554 is 455322204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 384356025 + 17867529 = 19605^2 + 4227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28594 + ... + 40274.

Almost surely, 2^402223554 is an apocalyptic number.

402223554 is an abundant number, since it is smaller than the sum of its proper divisors (469791018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402223554 is a wasteful number, since it uses less digits than its factorization.

402223554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602 (or 13599 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 402223554 is about 20055.5118109711. The cubic root of 402223554 is about 738.1690515410.

Adding to 402223554 its reverse (455322204), we get a palindrome (857545758).

The spelling of 402223554 in words is "four hundred two million, two hundred twenty-three thousand, five hundred fifty-four".