228449136070 has 64 divisors (see below), whose sum is σ = 426282909696. Its totient is φ = 88055735040.

The previous prime is 228449136053. The next prime is 228449136077. The reversal of 228449136070 is 70631944822.

It is a happy number.

It is a super-2 number, since 2×228449136070² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228449136070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228449136077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106601419 + ... + 106603561.

It is an arithmetic number, because the mean of its divisors is an integer number (6660670464).

Almost surely, 2^228449136070 is an apocalyptic number.

228449136070 is a deficient number, since it is larger than the sum of its proper divisors (197833773626).

228449136070 is a wasteful number, since it uses less digits than its factorization.

228449136070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 228449136070 in words is "two hundred twenty-eight billion, four hundred forty-nine million, one hundred thirty-six thousand, seventy".