2202978493 has 2 divisors, whose sum is σ = 2202978494. Its totient is φ = 2202978492.

The previous prime is 2202978469. The next prime is 2202978517. The reversal of 2202978493 is 3948792022.

2202978493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 19162-nd star number.

It is a balanced prime because it is at equal distance from previous prime (2202978469) and next prime (2202978517).

It can be written as a sum of positive squares in only one way, i.e., 2117656324 + 85322169 = 46018^2 + 9237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202978493 - 2⁹ = 2202977981 is a prime.

It is a super-2 number, since 2×2202978493² = 9706228481241102098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202978413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101489246 + 1101489247.

It is an arithmetic number, because the mean of its divisors is an integer number (1101489247).

Almost surely, 2^2202978493 is an apocalyptic number.

It is an amenable number.

2202978493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202978493 is an equidigital number, since it uses as much as digits as its factorization.

2202978493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2202978493 is about 46935.8977010135. The cubic root of 2202978493 is about 1301.1781219481.

The spelling of 2202978493 in words is "two billion, two hundred two million, nine hundred seventy-eight thousand, four hundred ninety-three".