247022220742 has 16 divisors (see below), whose sum is σ = 421792883712. Its totient is φ = 107400965320.

The previous prime is 247022220721. The next prime is 247022220743.

247022220742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×247022220742² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247022220698 and 247022220707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247022220743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244092598 + ... + 244093609.

It is an arithmetic number, because the mean of its divisors is an integer number (26362055232).

Almost surely, 2^247022220742 is an apocalyptic number.

247022220742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247022220742 is a deficient number, since it is larger than the sum of its proper divisors (174770662970).

247022220742 is a wasteful number, since it uses less digits than its factorization.

247022220742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488186243.

The product of its (nonzero) digits is 50176, while the sum is 34.

It can be divided in two parts, 247022 and 220742, that added together give a palindrome (467764).

The spelling of 247022220742 in words is "two hundred forty-seven billion, twenty-two million, two hundred twenty thousand, seven hundred forty-two".