22061390 has 32 divisors (see below), whose sum is σ = 43013376. Its totient is φ = 8098560.

The previous prime is 22061383. The next prime is 22061401. The reversal of 22061390 is 9316022.

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, 28610 + ... + 29370.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 2^22061390 is an apocalyptic number.

22061390 is a deficient number, since it is larger than the sum of its proper divisors (20951986).

22061390 is a wasteful number, since it uses less digits than its factorization.

22061390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 22061390 is about 4696.9553968502. The cubic root of 22061390 is about 280.4643231262.

The spelling of 22061390 in words is "twenty-two million, sixty-one thousand, three hundred ninety".