44221887 has 6 divisors (see below), whose sum is σ = 63876072. Its totient is φ = 29481252.

The previous prime is 44221843. The next prime is 44221907. The reversal of 44221887 is 78812244.

It is not a de Polignac number, because 44221887 - 2⁶ = 44221823 is a prime.

It is a super-3 number, since 3×44221887³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221087) 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, 2456763 + ... + 2456780.

It is an arithmetic number, because the mean of its divisors is an integer number (10646012).

Almost surely, 2^44221887 is an apocalyptic number.

44221887 is a deficient number, since it is larger than the sum of its proper divisors (19654185).

44221887 is a wasteful number, since it uses less digits than its factorization.

44221887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913549 (or 4913546 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 44221887 is about 6649.9539096147. The cubic root of 44221887 is about 353.6272769535.

The spelling of 44221887 in words is "forty-four million, two hundred twenty-one thousand, eight hundred eighty-seven".