4423212443025 has 30 divisors (see below), whose sum is σ = 8193318459942. Its totient is φ = 2359046635200.

The previous prime is 4423212443003. The next prime is 4423212443107. The reversal of 4423212443025 is 5203442123244.

4423212443025 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 212 + 4 + 430 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 51470904384 + 4371741538641 = 226872^2 + 2090871^2 .

It is not a de Polignac number, because 4423212443025 - 2¹³ = 4423212434833 is a prime.

It is a super-2 number, since 2×4423212443025² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1092149196 + ... + 1092153245.

Almost surely, 2^{4423212443025} is an apocalyptic number.

4423212443025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4423212443025 is a deficient number, since it is larger than the sum of its proper divisors (3770106016917).

4423212443025 is a wasteful number, since it uses less digits than its factorization.

4423212443025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184302463 (or 2184302449 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 4423212443025 its reverse (5203442123244), we get a palindrome (9626654566269).

The spelling of 4423212443025 in words is "four trillion, four hundred twenty-three billion, two hundred twelve million, four hundred forty-three thousand, twenty-five".