4202122481 has 2 divisors, whose sum is σ = 4202122482. Its totient is φ = 4202122480.

The previous prime is 4202122459. The next prime is 4202122489. The reversal of 4202122481 is 1842212024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4046995456 + 155127025 = 63616^2 + 12455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202122481 - 2¹⁸ = 4201860337 is a prime.

It is a super-2 number, since 2×4202122481² = 35315666690651190722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4202122481.

It is not a weakly prime, because it can be changed into another prime (4202122489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101061240 + 2101061241.

It is an arithmetic number, because the mean of its divisors is an integer number (2101061241).

Almost surely, 2^4202122481 is an apocalyptic number.

It is an amenable number.

4202122481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202122481 is an equidigital number, since it uses as much as digits as its factorization.

4202122481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 4202122481 is about 64823.7802122030. The cubic root of 4202122481 is about 1613.7003837192.

The spelling of 4202122481 in words is "four billion, two hundred two million, one hundred twenty-two thousand, four hundred eighty-one".