228776651554 has 32 divisors (see below), whose sum is σ = 376246895040. Its totient is φ = 103467067200.

The previous prime is 228776651507. The next prime is 228776651561. The reversal of 228776651554 is 455156677822.

It is a super-2 number, since 2×228776651554² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477712 + ... + 3542884.

It is an arithmetic number, because the mean of its divisors is an integer number (11757715470).

Almost surely, 2^228776651554 is an apocalyptic number.

228776651554 is a deficient number, since it is larger than the sum of its proper divisors (147470243486).

228776651554 is a wasteful number, since it uses less digits than its factorization.

228776651554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65986.

The product of its digits is 28224000, while the sum is 58.

The spelling of 228776651554 in words is "two hundred twenty-eight billion, seven hundred seventy-six million, six hundred fifty-one thousand, five hundred fifty-four".