44222000 has 40 divisors (see below), whose sum is σ = 106933632. Its totient is φ = 17688000.

The previous prime is 44221997. The next prime is 44222029. The reversal of 44222000 is 22244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056 + ... + 13055.

Almost surely, 2^44222000 is an apocalyptic number.

44222000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44222000 is an abundant number, since it is smaller than the sum of its proper divisors (62711632).

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

44222000 is a wasteful number, since it uses less digits than its factorization.

44222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22134 (or 22118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 44222000 is about 6649.9624059088. The cubic root of 44222000 is about 353.6275781607.

Adding to 44222000 its reverse (22244), we get a palindrome (44244244).

The spelling of 44222000 in words is "forty-four million, two hundred twenty-two thousand".