21461464222 has 8 divisors (see below), whose sum is σ = 35118759672. Its totient is φ = 9755211000.

The previous prime is 21461464177. The next prime is 21461464223. The reversal of 21461464222 is 22246416412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21461464223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487760529 + ... + 487760572.

It is an arithmetic number, because the mean of its divisors is an integer number (4389844959).

Almost surely, 2^21461464222 is an apocalyptic number.

21461464222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21461464222 is a deficient number, since it is larger than the sum of its proper divisors (13657295450).

21461464222 is a wasteful number, since it uses less digits than its factorization.

21461464222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975521114.

The product of its digits is 36864, while the sum is 34.

The spelling of 21461464222 in words is "twenty-one billion, four hundred sixty-one million, four hundred sixty-four thousand, two hundred twenty-two".