22404215551450 has 48 divisors (see below), whose sum is σ = 44127761267520. Its totient is φ = 8439180030720.

The previous prime is 22404215551447. The next prime is 22404215551453. The reversal of 22404215551450 is 5415551240422.

It is an interprime number because it is at equal distance from previous prime (22404215551447) and next prime (22404215551453).

It is not an unprimeable number, because it can be changed into a prime (22404215551453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70450287 + ... + 70767586.

It is an arithmetic number, because the mean of its divisors is an integer number (919328359740).

Almost surely, 2^{22404215551450} is an apocalyptic number.

22404215551450 is a deficient number, since it is larger than the sum of its proper divisors (21723545716070).

22404215551450 is a wasteful number, since it uses less digits than its factorization.

22404215551450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141218071 (or 141218066 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 22404215551450 its reverse (5415551240422), we get a palindrome (27819766791872).

The spelling of 22404215551450 in words is "twenty-two trillion, four hundred four billion, two hundred fifteen million, five hundred fifty-one thousand, four hundred fifty".