221472342101357 has 8 divisors (see below), whose sum is σ = 222522693360480. Its totient is φ = 220421997628560.

The previous prime is 221472342101321. The next prime is 221472342101453. The reversal of 221472342101357 is 753101243274122.

It is a happy number.

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 221472342101357 - 2¹⁸ = 221472341839213 is a prime.

It is a super-2 number, since 2×221472342101357² (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 (221472342101317) 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, 71121494 + ... + 74170152.

It is an arithmetic number, because the mean of its divisors is an integer number (27815336670060).

Almost surely, 2^{221472342101357} is an apocalyptic number.

It is an amenable number.

221472342101357 is a deficient number, since it is larger than the sum of its proper divisors (1050351259123).

221472342101357 is a wasteful number, since it uses less digits than its factorization.

221472342101357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393163.

The product of its (nonzero) digits is 564480, while the sum is 44.

Adding to 221472342101357 its reverse (753101243274122), we get a palindrome (974573585375479).

The spelling of 221472342101357 in words is "two hundred twenty-one trillion, four hundred seventy-two billion, three hundred forty-two million, one hundred one thousand, three hundred fifty-seven".