222231001401 has 6 divisors (see below), whose sum is σ = 321000335370. Its totient is φ = 148154000928.

The previous prime is 222231001379. The next prime is 222231001423. The reversal of 222231001401 is 104100132222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222231001379) and next prime (222231001423).

It can be written as a sum of positive squares in only one way, i.e., 178401485376 + 43829516025 = 422376^2 + 209355^2 .

It is not a de Polignac number, because 222231001401 - 2¹³ = 222230993209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222231001901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12346166736 + ... + 12346166753.

It is an arithmetic number, because the mean of its divisors is an integer number (53500055895).

Almost surely, 2^222231001401 is an apocalyptic number.

It is an amenable number.

222231001401 is a deficient number, since it is larger than the sum of its proper divisors (98769333969).

222231001401 is a wasteful number, since it uses less digits than its factorization.

222231001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24692333495 (or 24692333492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222231001401 its reverse (104100132222), we get a palindrome (326331133623).

The spelling of 222231001401 in words is "two hundred twenty-two billion, two hundred thirty-one million, one thousand, four hundred one".