541222400 has 60 divisors (see below), whose sum is σ = 1340952492. Its totient is φ = 216483840.

The previous prime is 541222393. The next prime is 541222411. The reversal of 541222400 is 4222145.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8342 + ... + 33941.

Almost surely, 2^541222400 is an apocalyptic number.

541222400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

541222400 is an abundant number, since it is smaller than the sum of its proper divisors (799730092).

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

541222400 is an equidigital number, since it uses as much as digits as its factorization.

541222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42311 (or 42290 counting only the distinct ones).

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

The square root of 541222400 is about 23264.1870693992. The cubic root of 541222400 is about 814.9392856273.

Adding to 541222400 its reverse (4222145), we get a palindrome (545444545).

The spelling of 541222400 in words is "five hundred forty-one million, two hundred twenty-two thousand, four hundred".