44223431 has 12 divisors (see below), whose sum is σ = 54152280. Its totient is φ = 35910000.

The previous prime is 44223427. The next prime is 44223449. The reversal of 44223431 is 13432244.

It is not a de Polignac number, because 44223431 - 2² = 44223427 is a prime.

It is a super-2 number, since 2×44223431² = 3911423698823522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44223397 and 44223406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44223401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22820 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (4512690).

Almost surely, 2^44223431 is an apocalyptic number.

44223431 is a deficient number, since it is larger than the sum of its proper divisors (9928849).

44223431 is a wasteful number, since it uses less digits than its factorization.

44223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47534 (or 47527 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 44223431 is about 6650.0699996316. The cubic root of 44223431 is about 353.6313925186.

Adding to 44223431 its reverse (13432244), we get a palindrome (57655675).

The spelling of 44223431 in words is "forty-four million, two hundred twenty-three thousand, four hundred thirty-one".