202422545 has 16 divisors (see below), whose sum is σ = 261910992. Its totient is φ = 149299200.

The previous prime is 202422533. The next prime is 202422559. The reversal of 202422545 is 545224202.

It can be written as a sum of positive squares in 8 ways, for example, as 61952641 + 140469904 = 7871^2 + 11852^2 .

It is not a de Polignac number, because 202422545 - 2¹⁰ = 202421521 is a prime.

It is a Duffinian 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, 76769 + ... + 79361.

It is an arithmetic number, because the mean of its divisors is an integer number (16369437).

Almost surely, 2^202422545 is an apocalyptic number.

It is an amenable number.

202422545 is a deficient number, since it is larger than the sum of its proper divisors (59488447).

202422545 is a wasteful number, since it uses less digits than its factorization.

202422545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 202422545 is about 14227.5277191788. The cubic root of 202422545 is about 587.1552659921.

Adding to 202422545 its reverse (545224202), we get a palindrome (747646747).

The spelling of 202422545 in words is "two hundred two million, four hundred twenty-two thousand, five hundred forty-five".