350022421 has 4 divisors (see below), whose sum is σ = 400025632. Its totient is φ = 300019212.

The previous prime is 350022383. The next prime is 350022443. The reversal of 350022421 is 124220053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 350022421 - 2⁷ = 350022293 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 (350022461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001595 + ... + 25001608.

It is an arithmetic number, because the mean of its divisors is an integer number (100006408).

Almost surely, 2^350022421 is an apocalyptic number.

It is an amenable number.

350022421 is a deficient number, since it is larger than the sum of its proper divisors (50003211).

350022421 is an equidigital number, since it uses as much as digits as its factorization.

350022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50003210.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 350022421 is about 18708.8861507039. The cubic root of 350022421 is about 704.7449212171.

Adding to 350022421 its reverse (124220053), we get a palindrome (474242474).

It can be divided in two parts, 3500 and 22421, that added together give a square (25921 = 161²).

The spelling of 350022421 in words is "three hundred fifty million, twenty-two thousand, four hundred twenty-one".