122221507634 has 16 divisors (see below), whose sum is σ = 189727833600. Its totient is φ = 58980535824.

The previous prime is 122221507627. The next prime is 122221507673. The reversal of 122221507634 is 436705122221.

It is a junction number, because it is equal to n+sod(n) for n = 122221507594 and 122221507603.

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, 258962 + ... + 558125.

It is an arithmetic number, because the mean of its divisors is an integer number (11857989600).

Almost surely, 2^122221507634 is an apocalyptic number.

122221507634 is a deficient number, since it is larger than the sum of its proper divisors (67506325966).

122221507634 is a wasteful number, since it uses less digits than its factorization.

122221507634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819697.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 122221507634 its reverse (436705122221), we get a palindrome (558926629855).

The spelling of 122221507634 in words is "one hundred twenty-two billion, two hundred twenty-one million, five hundred seven thousand, six hundred thirty-four".