22061450 has 12 divisors (see below), whose sum is σ = 41034390. Its totient is φ = 8824560.

The previous prime is 22061447. The next prime is 22061453. The reversal of 22061450 is 5416022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22061447) and next prime (22061453).

It can be written as a sum of positive squares in 3 ways, for example, as 9480241 + 12581209 = 3079^2 + 3547^2 .

It is a super-2 number, since 2×22061450² = 973415152205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22061453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220565 + ... + 220664.

Almost surely, 2^22061450 is an apocalyptic number.

22061450 is a deficient number, since it is larger than the sum of its proper divisors (18972940).

22061450 is a wasteful number, since it uses less digits than its factorization.

22061450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441241 (or 441236 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22061450 is about 4696.9617839621. The cubic root of 22061450 is about 280.4645773840.

Adding to 22061450 its reverse (5416022), we get a palindrome (27477472).

The spelling of 22061450 in words is "twenty-two million, sixty-one thousand, four hundred fifty".