21226613150 has 24 divisors (see below), whose sum is σ = 39488916000. Its totient is φ = 8489050560.

The previous prime is 21226613137. The next prime is 21226613183. The reversal of 21226613150 is 5131662212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249851 + ... + 323849.

It is an arithmetic number, because the mean of its divisors is an integer number (1645371500).

Almost surely, 2^21226613150 is an apocalyptic number.

21226613150 is a deficient number, since it is larger than the sum of its proper divisors (18262302850).

21226613150 is a wasteful number, since it uses less digits than its factorization.

21226613150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79748 (or 79743 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 21226613150 in words is "twenty-one billion, two hundred twenty-six million, six hundred thirteen thousand, one hundred fifty".