70220454421 has 8 divisors (see below), whose sum is σ = 76074856704. Its totient is φ = 64430742000.

The previous prime is 70220454407. The next prime is 70220454433. The reversal of 70220454421 is 12445402207.

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

It is a cyclic number.

It is not a de Polignac number, because 70220454421 - 2¹³ = 70220446229 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 (70220454721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16170205 + ... + 16174546.

It is an arithmetic number, because the mean of its divisors is an integer number (9509357088).

Almost surely, 2^70220454421 is an apocalyptic number.

It is an amenable number.

70220454421 is a deficient number, since it is larger than the sum of its proper divisors (5854402283).

70220454421 is a wasteful number, since it uses less digits than its factorization.

70220454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32344931.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 70220454421 its reverse (12445402207), we get a palindrome (82665856628).

The spelling of 70220454421 in words is "seventy billion, two hundred twenty million, four hundred fifty-four thousand, four hundred twenty-one".