22201235540544 has 56 divisors (see below), whose sum is σ = 59203294839808. Its totient is φ = 7342140879360.

The previous prime is 22201235540537. The next prime is 22201235540551. The reversal of 22201235540544 is 44504553210222.

It is an interprime number because it is at equal distance from previous prime (22201235540537) and next prime (22201235540551).

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, 455217487 + ... + 455266254.

It is an arithmetic number, because the mean of its divisors is an integer number (1057201693568).

Almost surely, 2^{22201235540544} is an apocalyptic number.

22201235540544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22201235540544 is an abundant number, since it is smaller than the sum of its proper divisors (37002059299264).

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

22201235540544 is a wasteful number, since it uses less digits than its factorization.

22201235540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910483883 (or 910483873 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 22201235540544 its reverse (44504553210222), we get a palindrome (66705788750766).

The spelling of 22201235540544 in words is "twenty-two trillion, two hundred one billion, two hundred thirty-five million, five hundred forty thousand, five hundred forty-four".