222311144421 has 6 divisors (see below), whose sum is σ = 321116097510. Its totient is φ = 148207429608.

The previous prime is 222311144411. The next prime is 222311144443. The reversal of 222311144421 is 124441113222.

222311144421 is a `hidden beast` number, since 2 + 2 + 231 + 1 + 1 + 4 + 4 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 212441715396 + 9869429025 = 460914^2 + 99345^2 .

It is not a de Polignac number, because 222311144421 - 2⁶ = 222311144357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222311144411) 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, 12350619126 + ... + 12350619143.

It is an arithmetic number, because the mean of its divisors is an integer number (53519349585).

Almost surely, 2^222311144421 is an apocalyptic number.

It is an amenable number.

222311144421 is a deficient number, since it is larger than the sum of its proper divisors (98804953089).

222311144421 is a wasteful number, since it uses less digits than its factorization.

222311144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24701238275 (or 24701238272 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 222311144421 its reverse (124441113222), we get a palindrome (346752257643).

The spelling of 222311144421 in words is "two hundred twenty-two billion, three hundred eleven million, one hundred forty-four thousand, four hundred twenty-one".