98454222421 has 4 divisors (see below), whose sum is σ = 98456805612. Its totient is φ = 98451639232.

The previous prime is 98454222353. The next prime is 98454222437. The reversal of 98454222421 is 12422245489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33138197521 + 65316024900 = 182039^2 + 255570^2 .

It is a cyclic number.

It is not a de Polignac number, because 98454222421 - 2¹⁷ = 98454091349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98454222821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233556 + ... + 1310941.

It is an arithmetic number, because the mean of its divisors is an integer number (24614201403).

Almost surely, 2^98454222421 is an apocalyptic number.

It is an amenable number.

98454222421 is a deficient number, since it is larger than the sum of its proper divisors (2583191).

98454222421 is a wasteful number, since it uses less digits than its factorization.

98454222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583190.

The product of its digits is 368640, while the sum is 43.

The spelling of 98454222421 in words is "ninety-eight billion, four hundred fifty-four million, two hundred twenty-two thousand, four hundred twenty-one".