4243222321402 has 8 divisors (see below), whose sum is σ = 6382864172916. Its totient is φ = 2115600930432.

The previous prime is 4243222321363. The next prime is 4243222321409. The reversal of 4243222321402 is 2041232223424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3909046991161 + 334175330241 = 1977131^2 + 578079^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4243222321409) 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, 3005114253 + ... + 3005115664.

Almost surely, 2^{4243222321402} is an apocalyptic number.

4243222321402 is a deficient number, since it is larger than the sum of its proper divisors (2139641851514).

4243222321402 is a wasteful number, since it uses less digits than its factorization.

4243222321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010230272.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4243222321402 its reverse (2041232223424), we get a palindrome (6284454544826).

The spelling of 4243222321402 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, four hundred two".