444222400 has 42 divisors (see below), whose sum is σ = 1093068680. Its totient is φ = 177688320.

The previous prime is 444222371. The next prime is 444222403. The reversal of 444222400 is 4222444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444222403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137220 + ... + 140419.

Almost surely, 2^444222400 is an apocalyptic number.

444222400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444222400 is an abundant number, since it is smaller than the sum of its proper divisors (648846280).

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

444222400 is a wasteful number, since it uses less digits than its factorization.

444222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277661 (or 277646 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 444222400 is about 21076.5841634739. The cubic root of 444222400 is about 763.0157184795.

Adding to 444222400 its reverse (4222444), we get a palindrome (448444844).

The spelling of 444222400 in words is "four hundred forty-four million, two hundred twenty-two thousand, four hundred".