22141224002421 has 32 divisors (see below), whose sum is σ = 32834018448000. Its totient is φ = 14746325871744.

The previous prime is 22141224002399. The next prime is 22141224002497. The reversal of 22141224002421 is 12420042214122.

22141224002421 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 12 + 2 + 400 + 242 + 1 = 666.

It is not a de Polignac number, because 22141224002421 - 2¹⁸ = 22141223740277 is a prime.

It is a super-2 number, since 2×22141224002421² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141224000421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536827426 + ... + 536868668.

It is an arithmetic number, because the mean of its divisors is an integer number (1026063076500).

Almost surely, 2^{22141224002421} is an apocalyptic number.

It is an amenable number.

22141224002421 is a deficient number, since it is larger than the sum of its proper divisors (10692794445579).

22141224002421 is a wasteful number, since it uses less digits than its factorization.

22141224002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60290 (or 60284 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 22141224002421 its reverse (12420042214122), we get a palindrome (34561266216543).

The spelling of 22141224002421 in words is "twenty-two trillion, one hundred forty-one billion, two hundred twenty-four million, two thousand, four hundred twenty-one".