22729439307 has 8 divisors (see below), whose sum is σ = 30377906320. Its totient is φ = 15116965920.

The previous prime is 22729439279. The next prime is 22729439347. The reversal of 22729439307 is 70393492722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22729439307 - 2¹¹ = 22729437259 is a prime.

It is a super-2 number, since 2×22729439307² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22729439347) 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, 8996932 + ... + 8999457.

It is an arithmetic number, because the mean of its divisors is an integer number (3797238290).

Almost surely, 2^22729439307 is an apocalyptic number.

22729439307 is a deficient number, since it is larger than the sum of its proper divisors (7648467013).

22729439307 is a wasteful number, since it uses less digits than its factorization.

22729439307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996813.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 22729439307 in words is "twenty-two billion, seven hundred twenty-nine million, four hundred thirty-nine thousand, three hundred seven".