22615949010 has 32 divisors (see below), whose sum is σ = 54562470912. Its totient is φ = 5999342720.

The previous prime is 22615948973. The next prime is 22615949011. The reversal of 22615949010 is 1094951622.

It is a super-2 number, since 2×22615949010² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22615949010.

It is not an unprimeable number, because it can be changed into a prime (22615949011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967739 + ... + 1979198.

It is an arithmetic number, because the mean of its divisors is an integer number (1705077216).

Almost surely, 2^22615949010 is an apocalyptic number.

22615949010 is an abundant number, since it is smaller than the sum of its proper divisors (31946521902).

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

22615949010 is a wasteful number, since it uses less digits than its factorization.

22615949010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947138.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 22615949010 in words is "twenty-two billion, six hundred fifteen million, nine hundred forty-nine thousand, ten".