2221146571400 has 48 divisors (see below), whose sum is σ = 5330751786240. Its totient is φ = 859798670400.

The previous prime is 2221146571351. The next prime is 2221146571411. The reversal of 2221146571400 is 41756411222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179118524 + ... + 179130923.

It is an arithmetic number, because the mean of its divisors is an integer number (111057328880).

Almost surely, 2^{2221146571400} is an apocalyptic number.

2221146571400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221146571400 is an abundant number, since it is smaller than the sum of its proper divisors (3109605214840).

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

2221146571400 is a wasteful number, since it uses less digits than its factorization.

2221146571400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358249494 (or 358249485 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 2221146571400 in words is "two trillion, two hundred twenty-one billion, one hundred forty-six million, five hundred seventy-one thousand, four hundred".