2602224145 has 4 divisors (see below), whose sum is σ = 3122668980. Its totient is φ = 2081779312.

The previous prime is 2602224091. The next prime is 2602224161. The reversal of 2602224145 is 5414222062.

It is a Cunningham number, because it is equal to 51012²+1.

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 936849664 + 1665374481 = 30608^2 + 40809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2602224145 - 2¹³ = 2602215953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260222410 + ... + 260222419.

It is an arithmetic number, because the mean of its divisors is an integer number (780667245).

Almost surely, 2^2602224145 is an apocalyptic number.

It is an amenable number.

2602224145 is a deficient number, since it is larger than the sum of its proper divisors (520444835).

2602224145 is an equidigital number, since it uses as much as digits as its factorization.

2602224145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520444834.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2602224145 is about 51012.0000098016. Note that the first 5 decimals coincide. The cubic root of 2602224145 is about 1375.4608518024.

The spelling of 2602224145 in words is "two billion, six hundred two million, two hundred twenty-four thousand, one hundred forty-five".