1020222445 has 16 divisors (see below), whose sum is σ = 1414127808. Its totient is φ = 698333440.

The previous prime is 1020222419. The next prime is 1020222473. The reversal of 1020222445 is 5442220201.

It is not a de Polignac number, because 1020222445 - 2⁷ = 1020222317 is a prime.

It is a Duffinian 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, 544639 + ... + 546508.

It is an arithmetic number, because the mean of its divisors is an integer number (88382988).

Almost surely, 2^1020222445 is an apocalyptic number.

It is an amenable number.

1020222445 is a deficient number, since it is larger than the sum of its proper divisors (393905363).

1020222445 is a wasteful number, since it uses less digits than its factorization.

1020222445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091180.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1020222445 is about 31940.9211670547. The cubic root of 1020222445 is about 1006.6958801199.

Adding to 1020222445 its reverse (5442220201), we get a palindrome (6462442646).

The spelling of 1020222445 in words is "one billion, twenty million, two hundred twenty-two thousand, four hundred forty-five".