22202169461 has 2 divisors, whose sum is σ = 22202169462. Its totient is φ = 22202169460.

The previous prime is 22202169449. The next prime is 22202169467. The reversal of 22202169461 is 16496120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22176868561 + 25300900 = 148919^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202169461 - 2¹⁰ = 22202168437 is a prime.

It is a super-2 number, since 2×22202169461² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202169467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101084730 + 11101084731.

It is an arithmetic number, because the mean of its divisors is an integer number (11101084731).

Almost surely, 2^22202169461 is an apocalyptic number.

It is an amenable number.

22202169461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202169461 is an equidigital number, since it uses as much as digits as its factorization.

22202169461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 22202169461 its reverse (16496120222), we get a palindrome (38698289683).

The spelling of 22202169461 in words is "twenty-two billion, two hundred two million, one hundred sixty-nine thousand, four hundred sixty-one".