1400222541 has 4 divisors (see below), whose sum is σ = 1866963392. Its totient is φ = 933481692.

The previous prime is 1400222521. The next prime is 1400222557. The reversal of 1400222541 is 1452220041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1400222541 - 2¹³ = 1400214349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400222501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233370421 + ... + 233370426.

It is an arithmetic number, because the mean of its divisors is an integer number (466740848).

Almost surely, 2^1400222541 is an apocalyptic number.

It is an amenable number.

1400222541 is a deficient number, since it is larger than the sum of its proper divisors (466740851).

1400222541 is an equidigital number, since it uses as much as digits as its factorization.

1400222541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466740850.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1400222541 is about 37419.5475787722. The cubic root of 1400222541 is about 1118.7482137400.

Adding to 1400222541 its reverse (1452220041), we get a palindrome (2852442582).

The spelling of 1400222541 in words is "one billion, four hundred million, two hundred twenty-two thousand, five hundred forty-one".