22649971740 has 192 divisors, whose sum is σ = 72528003072. Its totient is φ = 5227833600.

The previous prime is 22649971739. The next prime is 22649971769. The reversal of 22649971740 is 4717994622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3381795 + ... + 3388485.

It is an arithmetic number, because the mean of its divisors is an integer number (377750016).

Almost surely, 2^22649971740 is an apocalyptic number.

22649971740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22649971740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36264001536).

22649971740 is an abundant number, since it is smaller than the sum of its proper divisors (49878031332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22649971740 is a wasteful number, since it uses less digits than its factorization.

22649971740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960 (or 6958 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 22649971740 in words is "twenty-two billion, six hundred forty-nine million, nine hundred seventy-one thousand, seven hundred forty".