44155122 has 32 divisors (see below), whose sum is σ = 97092864. Its totient is φ = 13275600.

The previous prime is 44155121. The next prime is 44155123. The reversal of 44155122 is 22155144.

It is an interprime number because it is at equal distance from previous prime (44155121) and next prime (44155123).

It is a junction number, because it is equal to n+sod(n) for n = 44155092 and 44155101.

It is not an unprimeable number, because it can be changed into a prime (44155121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6093 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (3034152).

Almost surely, 2^44155122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44155122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48546432).

44155122 is an abundant number, since it is smaller than the sum of its proper divisors (52937742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44155122 is a wasteful number, since it uses less digits than its factorization.

44155122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its digits is 1600, while the sum is 24.

The square root of 44155122 is about 6644.9320538287. The cubic root of 44155122 is about 353.4492217068.

The spelling of 44155122 in words is "forty-four million, one hundred fifty-five thousand, one hundred twenty-two".