402022244249 has 2 divisors, whose sum is σ = 402022244250. Its totient is φ = 402022244248.

The previous prime is 402022244147. The next prime is 402022244269. The reversal of 402022244249 is 942442220204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302896129600 + 99126114649 = 550360^2 + 314843^2 .

It is a cyclic number.

It is not a de Polignac number, because 402022244249 - 2¹² = 402022240153 is a prime.

It is a super-2 number, since 2×402022244249² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402022244269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201011122124 + 201011122125.

It is an arithmetic number, because the mean of its divisors is an integer number (201011122125).

Almost surely, 2^402022244249 is an apocalyptic number.

It is an amenable number.

402022244249 is a deficient number, since it is larger than the sum of its proper divisors (1).

402022244249 is an equidigital number, since it uses as much as digits as its factorization.

402022244249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 402022244249 in words is "four hundred two billion, twenty-two million, two hundred forty-four thousand, two hundred forty-nine".