44267381 has 2 divisors, whose sum is σ = 44267382. Its totient is φ = 44267380.

The previous prime is 44267347. The next prime is 44267383. The reversal of 44267381 is 18376244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 3422500 = 6391^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 44267381 - 2¹⁸ = 44005237 is a prime.

It is a super-2 number, since 2×44267381² = 3919202041198322, which contains 22 as substring.

Together with 44267383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44267383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22133690 + 22133691.

It is an arithmetic number, because the mean of its divisors is an integer number (22133691).

Almost surely, 2^44267381 is an apocalyptic number.

It is an amenable number.

44267381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44267381 is an equidigital number, since it uses as much as digits as its factorization.

44267381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 44267381 is about 6653.3736555224. The cubic root of 44267381 is about 353.7485020351.

The spelling of 44267381 in words is "forty-four million, two hundred sixty-seven thousand, three hundred eighty-one".