201450222431 has 8 divisors (see below), whose sum is σ = 201580844640. Its totient is φ = 201319648992.

The previous prime is 201450222341. The next prime is 201450222433. The reversal of 201450222431 is 134222054102.

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 201450222431 - 2¹⁸ = 201449960287 is a prime.

It is a super-2 number, since 2×201450222431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201450222431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201450222433) 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, 11422286 + ... + 11439908.

It is an arithmetic number, because the mean of its divisors is an integer number (25197605580).

Almost surely, 2^201450222431 is an apocalyptic number.

201450222431 is a deficient number, since it is larger than the sum of its proper divisors (130622209).

201450222431 is a wasteful number, since it uses less digits than its factorization.

201450222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24385.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 201450222431 its reverse (134222054102), we get a palindrome (335672276533).

The spelling of 201450222431 in words is "two hundred one billion, four hundred fifty million, two hundred twenty-two thousand, four hundred thirty-one".