2228520346974 has 48 divisors (see below), whose sum is σ = 4995826355520. Its totient is φ = 717100453440.

The previous prime is 2228520346967. The next prime is 2228520346979. The reversal of 2228520346974 is 4796430258222.

2228520346974 is a `hidden beast` number, since 2 + 2 + 2 + 8 + 520 + 3 + 46 + 9 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2228520346974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228520346979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2663664 + ... + 3398844.

It is an arithmetic number, because the mean of its divisors is an integer number (104079715740).

Almost surely, 2^{2228520346974} is an apocalyptic number.

2228520346974 is an abundant number, since it is smaller than the sum of its proper divisors (2767306008546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228520346974 is a wasteful number, since it uses less digits than its factorization.

2228520346974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741025 (or 741022 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 2228520346974 in words is "two trillion, two hundred twenty-eight billion, five hundred twenty million, three hundred forty-six thousand, nine hundred seventy-four".