22555053421 has 2 divisors, whose sum is σ = 22555053422. Its totient is φ = 22555053420.

The previous prime is 22555053401. The next prime is 22555053449. The reversal of 22555053421 is 12435055522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21290895396 + 1264158025 = 145914^2 + 35555^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555053421 - 2¹⁷ = 22554922349 is a prime.

It is a super-5 number, since 5×22555053421⁵ (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22555053401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277526710 + 11277526711.

It is an arithmetic number, because the mean of its divisors is an integer number (11277526711).

Almost surely, 2^22555053421 is an apocalyptic number.

It is an amenable number.

22555053421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555053421 is an equidigital number, since it uses as much as digits as its factorization.

22555053421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 22555053421 in words is "twenty-two billion, five hundred fifty-five million, fifty-three thousand, four hundred twenty-one".