44222545 has 8 divisors (see below), whose sum is σ = 53119080. Its totient is φ = 35343360.

The previous prime is 44222531. The next prime is 44222567. The reversal of 44222545 is 54522244.

It can be written as a sum of positive squares in 4 ways, for example, as 12873744 + 31348801 = 3588^2 + 5599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44222545 - 2⁷ = 44222417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (6639885).

Almost surely, 2^44222545 is an apocalyptic number.

It is an amenable number.

44222545 is a deficient number, since it is larger than the sum of its proper divisors (8896535).

44222545 is a wasteful number, since it uses less digits than its factorization.

44222545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675.

The product of its digits is 12800, while the sum is 28.

The square root of 44222545 is about 6650.0033834578. The cubic root of 44222545 is about 353.6290308783.

Adding to 44222545 its reverse (54522244), we get a palindrome (98744789).

It can be divided in two parts, 442225 and 45, that added together give a triangular number (442270 = T₉₄₀).

The spelling of 44222545 in words is "forty-four million, two hundred twenty-two thousand, five hundred forty-five".