22734878444 has 6 divisors (see below), whose sum is σ = 39786037284. Its totient is φ = 11367439220.

The previous prime is 22734878423. The next prime is 22734878449. The reversal of 22734878444 is 44487843722.

It is a super-2 number, since 2×22734878444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22734878449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2841859802 + ... + 2841859809.

It is an arithmetic number, because the mean of its divisors is an integer number (6631006214).

Almost surely, 2^22734878444 is an apocalyptic number.

It is an amenable number.

22734878444 is a deficient number, since it is larger than the sum of its proper divisors (17051158840).

22734878444 is a wasteful number, since it uses less digits than its factorization.

22734878444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683719615 (or 5683719613 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 53.

The spelling of 22734878444 in words is "twenty-two billion, seven hundred thirty-four million, eight hundred seventy-eight thousand, four hundred forty-four".