102022445 has 16 divisors (see below), whose sum is σ = 143172480. Its totient is φ = 68330304.

The previous prime is 102022421. The next prime is 102022451. The reversal of 102022445 is 544220201.

It is a happy number.

It is not a de Polignac number, because 102022445 - 2¹⁰ = 102021421 is a prime.

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, 32390 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (8948280).

Almost surely, 2^102022445 is an apocalyptic number.

It is an amenable number.

102022445 is a deficient number, since it is larger than the sum of its proper divisors (41150035).

102022445 is an equidigital number, since it uses as much as digits as its factorization.

102022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67844.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102022445 is about 10100.6160703197. The cubic root of 102022445 is about 467.2671417006.

Adding to 102022445 its reverse (544220201), we get a palindrome (646242646).

The spelling of 102022445 in words is "one hundred two million, twenty-two thousand, four hundred forty-five".