2021225220534 has 32 divisors (see below), whose sum is σ = 4357550502144. Its totient is φ = 621323690400.

The previous prime is 2021225220529. The next prime is 2021225220607. The reversal of 2021225220534 is 4350225221202.

It is a happy number.

It is a congruent number.

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, 12245874 + ... + 12409829.

It is an arithmetic number, because the mean of its divisors is an integer number (136173453192).

Almost surely, 2^{2021225220534} is an apocalyptic number.

2021225220534 is an abundant number, since it is smaller than the sum of its proper divisors (2336325281610).

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

2021225220534 is a wasteful number, since it uses less digits than its factorization.

2021225220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24656772.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 2021225220534 in words is "two trillion, twenty-one billion, two hundred twenty-five million, two hundred twenty thousand, five hundred thirty-four".