44464219 has 2 divisors, whose sum is σ = 44464220. Its totient is φ = 44464218.

The previous prime is 44464207. The next prime is 44464271. The reversal of 44464219 is 91246444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44464219 - 2⁵ = 44464187 is a prime.

It is a super-2 number, since 2×44464219² = 3954133542559922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44464289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22232109 + 22232110.

It is an arithmetic number, because the mean of its divisors is an integer number (22232110).

Almost surely, 2^44464219 is an apocalyptic number.

44464219 is a deficient number, since it is larger than the sum of its proper divisors (1).

44464219 is an equidigital number, since it uses as much as digits as its factorization.

44464219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 44464219 is about 6668.1495934030. The cubic root of 44464219 is about 354.2720492738.

It can be divided in two parts, 44 and 464219, that multiplied together give a triangular number (20425636 = T₆₃₉₁).

The spelling of 44464219 in words is "forty-four million, four hundred sixty-four thousand, two hundred nineteen".