202422220025 has 6 divisors (see below), whose sum is σ = 251003552862. Its totient is φ = 161937776000.

The previous prime is 202422219977. The next prime is 202422220031. The reversal of 202422220025 is 520022224202.

It can be written as a sum of positive squares in 3 ways, for example, as 32878392976 + 169543827049 = 181324^2 + 411757^2 .

It is a de Polignac number, because none of the positive numbers 2^k-202422220025 is a prime.

It is a super-2 number, since 2×202422220025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4048444376 + ... + 4048444425.

It is an arithmetic number, because the mean of its divisors is an integer number (41833925477).

Almost surely, 2^202422220025 is an apocalyptic number.

202422220025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202422220025 is a deficient number, since it is larger than the sum of its proper divisors (48581332837).

202422220025 is an equidigital number, since it uses as much as digits as its factorization.

202422220025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096888811 (or 8096888806 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 202422220025 its reverse (520022224202), we get a palindrome (722444444227).

The spelling of 202422220025 in words is "two hundred two billion, four hundred twenty-two million, two hundred twenty thousand, twenty-five".