1220025344444 has 24 divisors (see below), whose sum is σ = 2308733824320. Its totient is φ = 561914049536.

The previous prime is 1220025344443. The next prime is 1220025344537. The reversal of 1220025344444 is 4444435200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220025344443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190864349 + ... + 190870740.

It is an arithmetic number, because the mean of its divisors is an integer number (96197242680).

Almost surely, 2^{1220025344444} is an apocalyptic number.

It is an amenable number.

1220025344444 is a deficient number, since it is larger than the sum of its proper divisors (1088708479876).

1220025344444 is a wasteful number, since it uses less digits than its factorization.

1220025344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381735157 (or 381735155 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

The spelling of 1220025344444 in words is "one trillion, two hundred twenty billion, twenty-five million, three hundred forty-four thousand, four hundred forty-four".