223779162002 has 54 divisors (see below), whose sum is σ = 377558956551. Its totient is φ = 99399722840.

The previous prime is 223779161953. The next prime is 223779162083. The reversal of 223779162002 is 200261977322.

It can be written as a sum of positive squares in only one way, i.e., 111889581001 + 111889581001 = 334499^2 + 334499^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=334499.

It is a super-2 number, since 2×223779162002² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 345871643 + ... + 345872289.

Almost surely, 2^223779162002 is an apocalyptic number.

223779162002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223779162002 is a deficient number, since it is larger than the sum of its proper divisors (153779794549).

223779162002 is an frugal number, since it uses more digits than its factorization.

223779162002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 223779162002 in words is "two hundred twenty-three billion, seven hundred seventy-nine million, one hundred sixty-two thousand, two".