220227064251 has 8 divisors (see below), whose sum is σ = 300797941584. Its totient is φ = 143237114880.

The previous prime is 220227064241. The next prime is 220227064259. The reversal of 220227064251 is 152460722022.

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

It is not a de Polignac number, because 220227064251 - 2²³ = 220218675643 is a prime.

It is a super-2 number, since 2×220227064251² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220227064259) 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, 895231846 + ... + 895232091.

It is an arithmetic number, because the mean of its divisors is an integer number (37599742698).

Almost surely, 2^220227064251 is an apocalyptic number.

220227064251 is a deficient number, since it is larger than the sum of its proper divisors (80570877333).

220227064251 is a wasteful number, since it uses less digits than its factorization.

220227064251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790463981.

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 220227064251 its reverse (152460722022), we get a palindrome (372687786273).

The spelling of 220227064251 in words is "two hundred twenty billion, two hundred twenty-seven million, sixty-four thousand, two hundred fifty-one".