40444223222 has 32 divisors (see below), whose sum is σ = 67467665664. Its totient is φ = 18057139200.

The previous prime is 40444223177. The next prime is 40444223249. The reversal of 40444223222 is 22232244404.

It is a super-2 number, since 2×40444223222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326322 + ... + 2343642.

It is an arithmetic number, because the mean of its divisors is an integer number (2108364552).

Almost surely, 2^40444223222 is an apocalyptic number.

40444223222 is a deficient number, since it is larger than the sum of its proper divisors (27023442442).

40444223222 is a wasteful number, since it uses less digits than its factorization.

40444223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20264.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 40444223222 its reverse (22232244404), we get a palindrome (62676467626).

The spelling of 40444223222 in words is "forty billion, four hundred forty-four million, two hundred twenty-three thousand, two hundred twenty-two".