22061621442050 has 24 divisors (see below), whose sum is σ = 41035194710400. Its totient is φ = 8824524097680.

The previous prime is 22061621442037. The next prime is 22061621442059. The reversal of 22061621442050 is 5024412616022.

It is a self number, because there is not a number n which added to its sum of digits gives 22061621442050.

It is not an unprimeable number, because it can be changed into a prime (22061621442059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509831 + ... + 6662069.

It is an arithmetic number, because the mean of its divisors is an integer number (1709799779600).

Almost surely, 2^{22061621442050} is an apocalyptic number.

22061621442050 is a deficient number, since it is larger than the sum of its proper divisors (18973573268350).

22061621442050 is a wasteful number, since it uses less digits than its factorization.

22061621442050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223970 (or 6223965 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 22061621442050 in words is "twenty-two trillion, sixty-one billion, six hundred twenty-one million, four hundred forty-two thousand, fifty".