223457770455261 has 16 divisors (see below), whose sum is σ = 313625259541440. Its totient is φ = 141131080097280.

The previous prime is 223457770455211. The next prime is 223457770455277. The reversal of 223457770455261 is 162554077754322.

It is not a de Polignac number, because 223457770455261 - 2¹⁸ = 223457770193117 is a prime.

It is a super-2 number, since 2×223457770455261² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223457770455195 and 223457770455204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223457770455211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100487911 + ... + 102687563.

It is an arithmetic number, because the mean of its divisors is an integer number (19601578721340).

Almost surely, 2^{223457770455261} is an apocalyptic number.

It is an amenable number.

223457770455261 is a deficient number, since it is larger than the sum of its proper divisors (90167489086179).

223457770455261 is a wasteful number, since it uses less digits than its factorization.

223457770455261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981916.

The product of its (nonzero) digits is 98784000, while the sum is 60.

The spelling of 223457770455261 in words is "two hundred twenty-three trillion, four hundred fifty-seven billion, seven hundred seventy million, four hundred fifty-five thousand, two hundred sixty-one".