44287886 has 4 divisors (see below), whose sum is σ = 66431832. Its totient is φ = 22143942.

The previous prime is 44287849. The next prime is 44287921. The reversal of 44287886 is 68878244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×44287886² = 3922833692697992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44287886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071970 + ... + 11071973.

It is an arithmetic number, because the mean of its divisors is an integer number (16607958).

Almost surely, 2^44287886 is an apocalyptic number.

44287886 is a deficient number, since it is larger than the sum of its proper divisors (22143946).

44287886 is a wasteful number, since it uses less digits than its factorization.

44287886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143945.

The product of its digits is 688128, while the sum is 47.

The square root of 44287886 is about 6654.9144246940. The cubic root of 44287886 is about 353.8031133026.

The spelling of 44287886 in words is "forty-four million, two hundred eighty-seven thousand, eight hundred eighty-six".