22141648 has 10 divisors (see below), whose sum is σ = 42899474. Its totient is φ = 11070816.

The previous prime is 22141643. The next prime is 22141649. The reversal of 22141648 is 84614122.

It can be written as a sum of positive squares in only one way, i.e., 19607184 + 2534464 = 4428^2 + 1592^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691911 + ... + 691942.

Almost surely, 2^22141648 is an apocalyptic number.

It is an amenable number.

22141648 is a deficient number, since it is larger than the sum of its proper divisors (20757826).

22141648 is a wasteful number, since it uses less digits than its factorization.

22141648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383861 (or 1383855 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 22141648 is about 4705.4912602193. The cubic root of 22141648 is about 280.8040156026.

It can be divided in two parts, 22 and 141648, that multiplied together give a triangular number (3116256 = T₂₄₉₆).

The spelling of 22141648 in words is "twenty-two million, one hundred forty-one thousand, six hundred forty-eight".