222420434412401 has 4 divisors (see below), whose sum is σ = 222480694625904. Its totient is φ = 222360174198900.

The previous prime is 222420434412391. The next prime is 222420434412427. The reversal of 222420434412401 is 104214434024222.

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 222420434412401 - 2²² = 222420430218097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222420434412601) 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, 30130101215 + ... + 30130108596.

It is an arithmetic number, because the mean of its divisors is an integer number (55620173656476).

Almost surely, 2^{222420434412401} is an apocalyptic number.

It is an amenable number.

222420434412401 is a deficient number, since it is larger than the sum of its proper divisors (60260213503).

222420434412401 is an equidigital number, since it uses as much as digits as its factorization.

222420434412401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60260213502.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 222420434412401 its reverse (104214434024222), we get a palindrome (326634868436623).

The spelling of 222420434412401 in words is "two hundred twenty-two trillion, four hundred twenty billion, four hundred thirty-four million, four hundred twelve thousand, four hundred one".