21434222155498 has 8 divisors (see below), whose sum is σ = 32899038657408. Its totient is φ = 10467875936364.

The previous prime is 21434222155459. The next prime is 21434222155517. The reversal of 21434222155498 is 89455122243412.

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

It is a super-2 number, since 2×21434222155498² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124617570586 + ... + 124617570757.

It is an arithmetic number, because the mean of its divisors is an integer number (4112379832176).

Almost surely, 2^{21434222155498} is an apocalyptic number.

21434222155498 is a deficient number, since it is larger than the sum of its proper divisors (11464816501910).

21434222155498 is a wasteful number, since it uses less digits than its factorization.

21434222155498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249235141388.

The product of its digits is 5529600, while the sum is 52.

The spelling of 21434222155498 in words is "twenty-one trillion, four hundred thirty-four billion, two hundred twenty-two million, one hundred fifty-five thousand, four hundred ninety-eight".