29222346861 has 8 divisors (see below), whose sum is σ = 43292365760. Its totient is φ = 19481564556.

The previous prime is 29222346827. The next prime is 29222346863. The reversal of 29222346861 is 16864322292.

29222346861 is a `hidden beast` number, since 2 + 9 + 222 + 346 + 86 + 1 = 666.

It is not a de Polignac number, because 29222346861 - 2¹⁰ = 29222345837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29222346863) 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, 541154545 + ... + 541154598.

It is an arithmetic number, because the mean of its divisors is an integer number (5411545720).

Almost surely, 2^29222346861 is an apocalyptic number.

It is an amenable number.

29222346861 is a deficient number, since it is larger than the sum of its proper divisors (14070018899).

29222346861 is a wasteful number, since it uses less digits than its factorization.

29222346861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082309152 (or 1082309146 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 29222346861 in words is "twenty-nine billion, two hundred twenty-two million, three hundred forty-six thousand, eight hundred sixty-one".