10213444 has 12 divisors (see below), whose sum is σ = 17902444. Its totient is φ = 5098464.

The previous prime is 10213439. The next prime is 10213451. The reversal of 10213444 is 44431201.

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 1440000 = 2962^2 + 1200^2 .

It is a super-2 number, since 2×10213444² = 208628876682272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342 + ... + 4714.

Almost surely, 2^10213444 is an apocalyptic number.

It is an amenable number.

10213444 is a deficient number, since it is larger than the sum of its proper divisors (7689000).

10213444 is a wasteful number, since it uses less digits than its factorization.

10213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 10213444 is about 3195.8479313009. The cubic root of 10213444 is about 216.9655278759.

Adding to 10213444 its reverse (44431201), we get a palindrome (54644645).

It can be divided in two parts, 1021 and 3444, that added together give a triangular number (4465 = T₉₄).

The spelling of 10213444 in words is "ten million, two hundred thirteen thousand, four hundred forty-four".