221422001174261 has 8 divisors (see below), whose sum is σ = 226816289192064. Its totient is φ = 216056179056960.

The previous prime is 221422001174251. The next prime is 221422001174299. The reversal of 221422001174261 is 162471100224122.

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

It is a cyclic number.

It is not a de Polignac number, because 221422001174261 - 2¹⁸ = 221422000912117 is a prime.

It is a super-2 number, since 2×221422001174261² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422001174251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7116459380 + ... + 7116490493.

It is an arithmetic number, because the mean of its divisors is an integer number (28352036149008).

Almost surely, 2^{221422001174261} is an apocalyptic number.

It is an amenable number.

221422001174261 is a deficient number, since it is larger than the sum of its proper divisors (5394288017803).

221422001174261 is a wasteful number, since it uses less digits than its factorization.

221422001174261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232950251.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 221422001174261 its reverse (162471100224122), we get a palindrome (383893101398383).

The spelling of 221422001174261 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, one million, one hundred seventy-four thousand, two hundred sixty-one".