2220146451553 has 4 divisors (see below), whose sum is σ = 2220161174020. Its totient is φ = 2220131729088.

The previous prime is 2220146451533. The next prime is 2220146451563. The reversal of 2220146451553 is 3551546410222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 473712839824 + 1746433611729 = 688268^2 + 1321527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220146451553 - 2²¹ = 2220144354401 is a prime.

It is a super-2 number, since 2×2220146451553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220146451533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132668 + ... + 7437421.

It is an arithmetic number, because the mean of its divisors is an integer number (555040293505).

Almost surely, 2^{2220146451553} is an apocalyptic number.

It is an amenable number.

2220146451553 is a deficient number, since it is larger than the sum of its proper divisors (14722467).

2220146451553 is a wasteful number, since it uses less digits than its factorization.

2220146451553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722466.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 2220146451553 in words is "two trillion, two hundred twenty billion, one hundred forty-six million, four hundred fifty-one thousand, five hundred fifty-three".